fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * or http://www.opensolaris.org/os/licensing.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
8f2529de2d60d4fff8eb4d86f71b51584342934eMark Shellenbaum * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
c3d26abc9ee97b4f60233556aadeb57e0bd30bb9Matthew Ahrens * Copyright (c) 2014 Integros [integros.com]
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
75c7619736838143dd41b3c5c9d7adec4683488fpeteh/* Portions Copyright 2007 Jeremy Teo */
75c7619736838143dd41b3c5c9d7adec4683488fpeteh
55434c770c89aa1b84474f2559a106803511aba0ek#ifdef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/types.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/param.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/time.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/systm.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/sysmacros.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/resource.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/mntent.h>
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#include <sys/mkdev.h>
de8267e0f723ed2c38ea9def92d465f69a300f56timh#include <sys/u8_textprep.h>
ab04eb8ef60d9dc9614d6cccffc474f24ca1d162timh#include <sys/dsl_dataset.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vfs.h>
aa59c4cb15a6ac5d4e585dadf7a055b580abf579rsb#include <sys/vfs_opreg.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vnode.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/file.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/kmem.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/errno.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/unistd.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/mode.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/atomic.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <vm/pvn.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "fs/fs_subr.h"
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_dir.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_acl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_ioctl.h>
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin#include <sys/zfs_rlock.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <sys/zfs_fuid.h>
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/dnode.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/fs/zfs.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <sys/kidmap.h>
55434c770c89aa1b84474f2559a106803511aba0ek#endif /* _KERNEL */
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/dmu.h>
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens#include <sys/dmu_objset.h>
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/refcount.h>
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/stat.h>
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/zap.h>
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/zfs_znode.h>
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/sa.h>
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/zfs_sa.h>
99d5e173470cf967aa87653364ed614299e7b511Tim Haley#include <sys/zfs_stat.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens
de8267e0f723ed2c38ea9def92d465f69a300f56timh#include "zfs_prop.h"
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include "zfs_comutil.h"
de8267e0f723ed2c38ea9def92d465f69a300f56timh
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee/*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Define ZNODE_STATS to turn on statistic gathering. By default, it is only
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * turned on when DEBUG is also defined.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#ifdef DEBUG
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#define ZNODE_STATS
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#endif /* DEBUG */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#ifdef ZNODE_STATS
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#define ZNODE_STAT_ADD(stat) ((stat)++)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#else
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#define ZNODE_STAT_ADD(stat) /* nothing */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#endif /* ZNODE_STATS */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
55434c770c89aa1b84474f2559a106803511aba0ek/*
55434c770c89aa1b84474f2559a106803511aba0ek * Functions needed for userland (ie: libzpool) are not put under
55434c770c89aa1b84474f2559a106803511aba0ek * #ifdef_KERNEL; the rest of the functions have dependencies
55434c770c89aa1b84474f2559a106803511aba0ek * (such as VFS logic) that will not compile easily in userland.
55434c770c89aa1b84474f2559a106803511aba0ek */
55434c770c89aa1b84474f2559a106803511aba0ek#ifdef _KERNEL
4e9583b23260dab68308b306795694143381ab0fTom Erickson/*
4e9583b23260dab68308b306795694143381ab0fTom Erickson * Needed to close a small window in zfs_znode_move() that allows the zfsvfs to
4e9583b23260dab68308b306795694143381ab0fTom Erickson * be freed before it can be safely accessed.
4e9583b23260dab68308b306795694143381ab0fTom Erickson */
4e9583b23260dab68308b306795694143381ab0fTom Ericksonkrwlock_t zfsvfs_lock;
4e9583b23260dab68308b306795694143381ab0fTom Erickson
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic kmem_cache_t *znode_cache = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*ARGSUSED*/
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybeeznode_evict_error(dmu_buf_t *dbuf, void *user_ptr)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee /*
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * We should never drop all dbuf refs without first clearing
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * the eviction callback.
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee */
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee panic("evicting znode %p\n", user_ptr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*ARGSUSED*/
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_znode_cache_constructor(void *buf, void *arg, int kmflags)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *zp = buf;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!POINTER_IS_VALID(zp->z_zfsvfs));
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zp->z_vnode = vn_alloc(kmflags);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (zp->z_vnode == NULL) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (-1);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZTOV(zp)->v_data = zp;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee list_link_init(&zp->z_link_node);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_init(&zp->z_lock, NULL, MUTEX_DEFAULT, NULL);
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin rw_init(&zp->z_parent_lock, NULL, RW_DEFAULT, NULL);
af2c4821c0a23e873f2a63bca4145080aa2183e3maybee rw_init(&zp->z_name_lock, NULL, RW_DEFAULT, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_init(&zp->z_acl_lock, NULL, MUTEX_DEFAULT, NULL);
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin mutex_init(&zp->z_range_lock, NULL, MUTEX_DEFAULT, NULL);
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin avl_create(&zp->z_range_avl, zfs_range_compare,
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin sizeof (rl_t), offsetof(rl_t, r_node));
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zp->z_dirlocks = NULL;
d47621a49c68c359358f6630aa45cc320762f51fTim Haley zp->z_acl_cached = NULL;
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson zp->z_moved = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*ARGSUSED*/
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_znode_cache_destructor(void *buf, void *arg)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *zp = buf;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!POINTER_IS_VALID(zp->z_zfsvfs));
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(ZTOV(zp)->v_data == zp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee vn_free(ZTOV(zp));
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!list_link_active(&zp->z_link_node));
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_destroy(&zp->z_lock);
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin rw_destroy(&zp->z_parent_lock);
af2c4821c0a23e873f2a63bca4145080aa2183e3maybee rw_destroy(&zp->z_name_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_destroy(&zp->z_acl_lock);
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin avl_destroy(&zp->z_range_avl);
c25056de36a33f2a76f79dcf64593f731d258013gw mutex_destroy(&zp->z_range_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(zp->z_dirlocks == NULL);
4929fd5ef3f018b490359eb4a2d95d22152325fbTim Haley ASSERT(zp->z_acl_cached == NULL);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#ifdef ZNODE_STATS
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic struct {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee uint64_t zms_zfsvfs_invalid;
4e9583b23260dab68308b306795694143381ab0fTom Erickson uint64_t zms_zfsvfs_recheck1;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee uint64_t zms_zfsvfs_unmounted;
4e9583b23260dab68308b306795694143381ab0fTom Erickson uint64_t zms_zfsvfs_recheck2;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson uint64_t zms_obj_held;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee uint64_t zms_vnode_locked;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson uint64_t zms_not_only_dnlc;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee} znode_move_stats;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee#endif /* ZNODE_STATS */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic void
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_znode_move_impl(znode_t *ozp, znode_t *nzp)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee vnode_t *vp;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* Copy fields. */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_zfsvfs = ozp->z_zfsvfs;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* Swap vnodes. */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee vp = nzp->z_vnode;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_vnode = ozp->z_vnode;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ozp->z_vnode = vp; /* let destructor free the overwritten vnode */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZTOV(ozp)->v_data = ozp;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZTOV(nzp)->v_data = nzp;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_id = ozp->z_id;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(ozp->z_dirlocks == NULL); /* znode not in use */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(avl_numnodes(&ozp->z_range_avl) == 0);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_unlinked = ozp->z_unlinked;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_atime_dirty = ozp->z_atime_dirty;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_zn_prefetch = ozp->z_zn_prefetch;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_blksz = ozp->z_blksz;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_seq = ozp->z_seq;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_mapcnt = ozp->z_mapcnt;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_gen = ozp->z_gen;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee nzp->z_sync_cnt = ozp->z_sync_cnt;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_is_sa = ozp->z_is_sa;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_sa_hdl = ozp->z_sa_hdl;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum bcopy(ozp->z_atime, nzp->z_atime, sizeof (uint64_t) * 2);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_links = ozp->z_links;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_size = ozp->z_size;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_pflags = ozp->z_pflags;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_uid = ozp->z_uid;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_gid = ozp->z_gid;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum nzp->z_mode = ozp->z_mode;
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum /*
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum * Since this is just an idle znode and kmem is already dealing with
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum * memory pressure, release any cached ACL.
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum */
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum if (ozp->z_acl_cached) {
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum zfs_acl_free(ozp->z_acl_cached);
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum ozp->z_acl_cached = NULL;
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_set_userp(nzp->z_sa_hdl, nzp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Invalidate the original znode by clearing fields that provide a
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * pointer back to the znode. Set the low bit of the vfs pointer to
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * ensure that zfs_znode_move() recognizes the znode as invalid in any
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * subsequent callback.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ozp->z_sa_hdl = NULL;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee POINTER_INVALIDATE(&ozp->z_zfsvfs);
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson /*
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson * Mark the znode.
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson */
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson nzp->z_moved = 1;
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson ozp->z_moved = (uint8_t)-1;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee/*ARGSUSED*/
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic kmem_cbrc_t
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_znode_move(void *buf, void *newbuf, size_t size, void *arg)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee znode_t *ozp = buf, *nzp = newbuf;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfsvfs_t *zfsvfs;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee vnode_t *vp;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * The znode is on the file system's list of known znodes if the vfs
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * pointer is valid. We set the low bit of the vfs pointer when freeing
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * the znode to invalidate it, and the memory patterns written by kmem
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * (baddcafe and deadbeef) set at least one of the two low bits. A newly
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * created znode sets the vfs pointer last of all to indicate that the
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * znode is known and in a valid state to be moved by this function.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfsvfs = ozp->z_zfsvfs;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (!POINTER_IS_VALID(zfsvfs)) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZNODE_STAT_ADD(znode_move_stats.zms_zfsvfs_invalid);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_DONT_KNOW);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
4e9583b23260dab68308b306795694143381ab0fTom Erickson * Close a small window in which it's possible that the filesystem could
4e9583b23260dab68308b306795694143381ab0fTom Erickson * be unmounted and freed, and zfsvfs, though valid in the previous
4e9583b23260dab68308b306795694143381ab0fTom Erickson * statement, could point to unrelated memory by the time we try to
4e9583b23260dab68308b306795694143381ab0fTom Erickson * prevent the filesystem from being unmounted.
4e9583b23260dab68308b306795694143381ab0fTom Erickson */
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_enter(&zfsvfs_lock, RW_WRITER);
4e9583b23260dab68308b306795694143381ab0fTom Erickson if (zfsvfs != ozp->z_zfsvfs) {
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_exit(&zfsvfs_lock);
4e9583b23260dab68308b306795694143381ab0fTom Erickson ZNODE_STAT_ADD(znode_move_stats.zms_zfsvfs_recheck1);
4e9583b23260dab68308b306795694143381ab0fTom Erickson return (KMEM_CBRC_DONT_KNOW);
4e9583b23260dab68308b306795694143381ab0fTom Erickson }
4e9583b23260dab68308b306795694143381ab0fTom Erickson
4e9583b23260dab68308b306795694143381ab0fTom Erickson /*
4e9583b23260dab68308b306795694143381ab0fTom Erickson * If the znode is still valid, then so is the file system. We know that
4e9583b23260dab68308b306795694143381ab0fTom Erickson * no valid file system can be freed while we hold zfsvfs_lock, so we
4e9583b23260dab68308b306795694143381ab0fTom Erickson * can safely ensure that the filesystem is not and will not be
4e9583b23260dab68308b306795694143381ab0fTom Erickson * unmounted. The next statement is equivalent to ZFS_ENTER().
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
c9030f6c93613fe30ee0c16f92b96da7816ac052Alexander Motin rrm_enter(&zfsvfs->z_teardown_lock, RW_READER, FTAG);
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (zfsvfs->z_unmounted) {
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens ZFS_EXIT(zfsvfs);
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_exit(&zfsvfs_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZNODE_STAT_ADD(znode_move_stats.zms_zfsvfs_unmounted);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_DONT_KNOW);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_exit(&zfsvfs_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_enter(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Recheck the vfs pointer in case the znode was removed just before
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * acquiring the lock.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (zfsvfs != ozp->z_zfsvfs) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZFS_EXIT(zfsvfs);
4e9583b23260dab68308b306795694143381ab0fTom Erickson ZNODE_STAT_ADD(znode_move_stats.zms_zfsvfs_recheck2);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_DONT_KNOW);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * At this point we know that as long as we hold z_znodes_lock, the
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * znode cannot be freed and fields within the znode can be safely
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson * accessed. Now, prevent a race with zfs_zget().
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson if (ZFS_OBJ_HOLD_TRYENTER(zfsvfs, ozp->z_id) == 0) {
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson mutex_exit(&zfsvfs->z_znodes_lock);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZFS_EXIT(zfsvfs);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZNODE_STAT_ADD(znode_move_stats.zms_obj_held);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson return (KMEM_CBRC_LATER);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson }
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee vp = ZTOV(ozp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (mutex_tryenter(&vp->v_lock) == 0) {
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZFS_OBJ_HOLD_EXIT(zfsvfs, ozp->z_id);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZFS_EXIT(zfsvfs);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZNODE_STAT_ADD(znode_move_stats.zms_vnode_locked);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_LATER);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* Only move znodes that are referenced _only_ by the DNLC. */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vp->v_count != 1 || !vn_in_dnlc(vp)) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&vp->v_lock);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZFS_OBJ_HOLD_EXIT(zfsvfs, ozp->z_id);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZFS_EXIT(zfsvfs);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZNODE_STAT_ADD(znode_move_stats.zms_not_only_dnlc);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_LATER);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * The znode is known and in a valid state to move. We're holding the
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * locks needed to execute the critical section.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfs_znode_move_impl(ozp, nzp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&vp->v_lock);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson ZFS_OBJ_HOLD_EXIT(zfsvfs, ozp->z_id);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee list_link_replace(&ozp->z_link_node, &nzp->z_link_node);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZFS_EXIT(zfsvfs);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (KMEM_CBRC_YES);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_znode_init(void)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Initialize zcache
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_init(&zfsvfs_lock, NULL, RW_DEFAULT, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(znode_cache == NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_cache = kmem_cache_create("zfs_znode_cache",
fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (znode_t), 0, zfs_znode_cache_constructor,
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_znode_cache_destructor, NULL, NULL, NULL, 0);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee kmem_cache_set_move(znode_cache, zfs_znode_move);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_znode_fini(void)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Cleanup vfs & vnode ops
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_remove_op_tables();
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Cleanup zcache
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (znode_cache)
fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_cache_destroy(znode_cache);
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_cache = NULL;
4e9583b23260dab68308b306795694143381ab0fTom Erickson rw_destroy(&zfsvfs_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstruct vnodeops *zfs_dvnodeops;
fa9e4066f08beec538e775443c5be79dd423fcabahrensstruct vnodeops *zfs_fvnodeops;
fa9e4066f08beec538e775443c5be79dd423fcabahrensstruct vnodeops *zfs_symvnodeops;
fa9e4066f08beec538e775443c5be79dd423fcabahrensstruct vnodeops *zfs_xdvnodeops;
fa9e4066f08beec538e775443c5be79dd423fcabahrensstruct vnodeops *zfs_evnodeops;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wrightstruct vnodeops *zfs_sharevnodeops;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_remove_op_tables()
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Remove vfs ops
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(zfsfstype);
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) vfs_freevfsops_by_type(zfsfstype);
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfsfstype = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Remove vnode ops
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_dvnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_freevnodeops(zfs_dvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_fvnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_freevnodeops(zfs_fvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_symvnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_freevnodeops(zfs_symvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_xdvnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_freevnodeops(zfs_xdvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_evnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_freevnodeops(zfs_evnodeops);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if (zfs_sharevnodeops)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vn_freevnodeops(zfs_sharevnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_dvnodeops = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_fvnodeops = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_symvnodeops = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_xdvnodeops = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfs_evnodeops = NULL;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright zfs_sharevnodeops = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern const fs_operation_def_t zfs_dvnodeops_template[];
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern const fs_operation_def_t zfs_fvnodeops_template[];
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern const fs_operation_def_t zfs_xdvnodeops_template[];
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern const fs_operation_def_t zfs_symvnodeops_template[];
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern const fs_operation_def_t zfs_evnodeops_template[];
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wrightextern const fs_operation_def_t zfs_sharevnodeops_template[];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensint
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_create_op_tables()
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens int error;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * zfs_dvnodeops can be set if mod_remove() calls mod_installfs()
fa9e4066f08beec538e775443c5be79dd423fcabahrens * due to a failure to remove the the 2nd modlinkage (zfs_modldrv).
fa9e4066f08beec538e775443c5be79dd423fcabahrens * In this case we just return as the ops vectors are already set up.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_dvnodeops)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = vn_make_ops(MNTTYPE_ZFS, zfs_dvnodeops_template,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &zfs_dvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = vn_make_ops(MNTTYPE_ZFS, zfs_fvnodeops_template,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &zfs_fvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = vn_make_ops(MNTTYPE_ZFS, zfs_symvnodeops_template,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &zfs_symvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = vn_make_ops(MNTTYPE_ZFS, zfs_xdvnodeops_template,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &zfs_xdvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = vn_make_ops(MNTTYPE_ZFS, zfs_evnodeops_template,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &zfs_evnodeops);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if (error)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright return (error);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright error = vn_make_ops(MNTTYPE_ZFS, zfs_sharevnodeops_template,
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright &zfs_sharevnodeops);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright return (error);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright}
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
9e1320c015cea6985d2122bc1d654b79fa479f7aMark Shellenbaumint
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wrightzfs_create_share_dir(zfsvfs_t *zfsvfs, dmu_tx_t *tx)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright{
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum zfs_acl_ids_t acl_ids;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr_t vattr;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright znode_t *sharezp;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vnode_t *vp;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright znode_t *zp;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright int error;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr.va_type = VDIR;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr.va_mode = S_IFDIR|0555;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr.va_uid = crgetuid(kcred);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vattr.va_gid = crgetgid(kcred);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright sharezp = kmem_cache_alloc(znode_cache, KM_SLEEP);
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson ASSERT(!POINTER_IS_VALID(sharezp->z_zfsvfs));
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson sharezp->z_moved = 0;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright sharezp->z_unlinked = 0;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright sharezp->z_atime_dirty = 0;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright sharezp->z_zfsvfs = zfsvfs;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sharezp->z_is_sa = zfsvfs->z_use_sa;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vp = ZTOV(sharezp);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vn_reinit(vp);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vp->v_type = VDIR;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum VERIFY(0 == zfs_acl_ids_create(sharezp, IS_ROOT_NODE, &vattr,
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum kcred, NULL, &acl_ids));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_mknode(sharezp, &vattr, tx, kcred, IS_ROOT_NODE, &zp, &acl_ids);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ASSERT3P(zp, ==, sharezp);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ASSERT(!vn_in_dnlc(ZTOV(sharezp))); /* not valid to move */
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright POINTER_INVALIDATE(&sharezp->z_zfsvfs);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright error = zap_add(zfsvfs->z_os, MASTER_NODE_OBJ,
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ZFS_SHARES_DIR, 8, 1, &sharezp->z_id, tx);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright zfsvfs->z_shares_dir = sharezp->z_id;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum zfs_acl_ids_free(&acl_ids);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ZTOV(sharezp)->v_count = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_destroy(sharezp->z_sa_hdl);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright kmem_cache_free(znode_cache, sharezp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks/*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * define a couple of values we need available
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * for both 64 and 32 bit environments.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#ifndef NBITSMINOR64
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#define NBITSMINOR64 32
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#endif
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#ifndef MAXMAJ64
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#define MAXMAJ64 0xffffffffUL
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#endif
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#ifndef MAXMIN64
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#define MAXMIN64 0xffffffffUL
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#endif
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks/*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Create special expldev for ZFS private use.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Can't use standard expldev since it doesn't do
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * what we want. The standard expldev() takes a
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * dev32_t in LP64 and expands it to a long dev_t.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * We need an interface that takes a dev32_t in ILP32
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * and expands it to a long dev_t.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarksstatic uint64_t
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarkszfs_expldev(dev_t dev)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks{
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#ifndef _LP64
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks major_t major = (major_t)dev >> NBITSMINOR32 & MAXMAJ32;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return (((uint64_t)major << NBITSMINOR64) |
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks ((minor_t)dev & MAXMIN32));
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#else
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return (dev);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#endif
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks}
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks/*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Special cmpldev for ZFS private use.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Can't use standard cmpldev since it takes
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * a long dev_t and compresses it to dev32_t in
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * LP64. We need to do a compaction of a long dev_t
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * to a dev32_t in ILP32.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarksdev_t
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarkszfs_cmpldev(uint64_t dev)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks{
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#ifndef _LP64
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks minor_t minor = (minor_t)dev & MAXMIN64;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks major_t major = (major_t)(dev >> NBITSMINOR64) & MAXMAJ64;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks if (major > MAXMAJ32 || minor > MAXMIN32)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return (NODEV32);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return (((dev32_t)major << NBITSMINOR32) | minor);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#else
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return (dev);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#endif
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks}
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrensstatic void
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumzfs_znode_sa_init(zfsvfs_t *zfsvfs, znode_t *zp,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_buf_t *db, dmu_object_type_t obj_type, sa_handle_t *sa_hdl)
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!POINTER_IS_VALID(zp->z_zfsvfs) || (zfsvfs == zp->z_zfsvfs));
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(MUTEX_HELD(ZFS_OBJ_MUTEX(zfsvfs, zp->z_id)));
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens mutex_enter(&zp->z_lock);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(zp->z_sa_hdl == NULL);
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum ASSERT(zp->z_acl_cached == NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (sa_hdl == NULL) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(0 == sa_handle_get_from_db(zfsvfs->z_os, db, zp,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_HDL_SHARED, &zp->z_sa_hdl));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_sa_hdl = sa_hdl;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_set_userp(sa_hdl, zp);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_is_sa = (obj_type == DMU_OT_SA) ? B_TRUE : B_FALSE;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens /*
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens * Slap on VROOT if we are the root znode
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens */
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens if (zp->z_id == zfsvfs->z_root)
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens ZTOV(zp)->v_flag |= VROOT;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens mutex_exit(&zp->z_lock);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens vn_exists(ZTOV(zp));
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens}
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybeevoid
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrenszfs_znode_dmu_fini(znode_t *zp)
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(MUTEX_HELD(ZFS_OBJ_MUTEX(zp->z_zfsvfs, zp->z_id)) ||
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zp->z_unlinked ||
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee RW_WRITE_HELD(&zp->z_zfsvfs->z_teardown_inactive_lock));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_destroy(zp->z_sa_hdl);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_sa_hdl = NULL;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens}
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Construct a new znode/vnode and intialize.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * This does not do a call to dmu_set_user() that is
fa9e4066f08beec538e775443c5be79dd423fcabahrens * up to the caller to do, in case you don't want to
fa9e4066f08beec538e775443c5be79dd423fcabahrens * return the znode
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockstatic znode_t *
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumzfs_znode_alloc(zfsvfs_t *zfsvfs, dmu_buf_t *db, int blksz,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_object_type_t obj_type, sa_handle_t *hdl)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *zp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vnode_t *vp;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t mode;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t parent;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_bulk_attr_t bulk[9];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int count = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp = kmem_cache_alloc(znode_cache, KM_SLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(zp->z_dirlocks == NULL);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!POINTER_IS_VALID(zp->z_zfsvfs));
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson zp->z_moved = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Defer setting z_zfsvfs until the znode is ready to be a candidate for
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * the zfs_znode_move() callback.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_sa_hdl = NULL;
893a6d32980d24be1349478f44169009d4801c25ahrens zp->z_unlinked = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_atime_dirty = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_mapcnt = 0;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens zp->z_id = db->db_object;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_blksz = blksz;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_seq = 0x7A4653;
67bd71c6cc629bab3aa0d595c624a667f1574254perrin zp->z_sync_cnt = 0;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens vp = ZTOV(zp);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens vn_reinit(vp);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_znode_sa_init(zfsvfs, zp, db, obj_type, hdl);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zfsvfs), NULL, &zp->z_gen, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_size, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_links, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_pflags, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zfsvfs), NULL, &parent, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_atime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zfsvfs), NULL,
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum &zp->z_uid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zfsvfs), NULL,
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum &zp->z_gid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count) != 0 || zp->z_gen == 0) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (hdl == NULL)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_destroy(zp->z_sa_hdl);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum kmem_cache_free(znode_cache, zp);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum return (NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_mode = mode;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp->v_vfsp = zfsvfs->z_parent->z_vfs;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum vp->v_type = IFTOVT((mode_t)mode);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens switch (vp->v_type) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDIR:
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (zp->z_pflags & ZFS_XATTR) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_setops(vp, zfs_xdvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp->v_flag |= V_XATTRDIR;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_setops(vp, zfs_dvnodeops);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens }
7f6e3e7d4ebf3d6d45073854bef004ca26f8e918perrin zp->z_zn_prefetch = B_TRUE; /* z_prefetch default is enabled */
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VBLK:
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VCHR:
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t rdev;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &rdev, sizeof (rdev)) == 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum vp->v_rdev = zfs_cmpldev(rdev);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*FALLTHROUGH*/
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VFIFO:
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VSOCK:
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDOOR:
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_setops(vp, zfs_fvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VREG:
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp->v_flag |= VMODSORT;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (parent == zfsvfs->z_shares_dir) {
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum ASSERT(zp->z_uid == 0 && zp->z_gid == 0);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vn_setops(vp, zfs_sharevnodeops);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright vn_setops(vp, zfs_fvnodeops);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VLNK:
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_setops(vp, zfs_symvnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens default:
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_setops(vp, zfs_evnodeops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_enter(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee list_insert_tail(&zfsvfs->z_all_znodes, zp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee membar_producer();
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Everything else must be valid before assigning z_zfsvfs makes the
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * znode eligible for zfs_znode_move().
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zp->z_zfsvfs = zfsvfs;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee mutex_exit(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee VFS_HOLD(zfsvfs->z_vfs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumstatic uint64_t empty_xattr;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumstatic uint64_t pad[4];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumstatic zfs_acl_phys_t acl_phys;
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Create a new DMU object to hold a zfs znode.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * IN: dzp - parent directory for new znode
fa9e4066f08beec538e775443c5be79dd423fcabahrens * vap - file attributes for new znode
fa9e4066f08beec538e775443c5be79dd423fcabahrens * tx - dmu transaction id for zap operations
fa9e4066f08beec538e775443c5be79dd423fcabahrens * cr - credentials of caller
fa9e4066f08beec538e775443c5be79dd423fcabahrens * flag - flags:
fa9e4066f08beec538e775443c5be79dd423fcabahrens * IS_ROOT_NODE - new object will be root
fa9e4066f08beec538e775443c5be79dd423fcabahrens * IS_XATTR - new object is an attribute
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * bonuslen - length of bonus buffer
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * setaclp - File/Dir initial ACL
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * fuidp - Tracks fuid allocation.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens * OUT: zpp - allocated znode
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrenszfs_mknode(znode_t *dzp, vattr_t *vap, dmu_tx_t *tx, cred_t *cr,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint_t flag, znode_t **zpp, zfs_acl_ids_t *acl_ids)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t crtime[2], atime[2], mtime[2], ctime[2];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t mode, size, links, parent, pflags;
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson uint64_t dzp_pflags = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t rdev = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfsvfs_t *zfsvfs = dzp->z_zfsvfs;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_buf_t *db;
fa9e4066f08beec538e775443c5be79dd423fcabahrens timestruc_t now;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens uint64_t gen, obj;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int bonuslen;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_t *sa_hdl;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_object_type_t obj_type;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_bulk_attr_t sa_attrs[ZPL_END];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int cnt = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_acl_locator_cb_t locate = { 0 };
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(vap && (vap->va_mask & (AT_TYPE|AT_MODE)) == (AT_TYPE|AT_MODE));
fa9e4066f08beec538e775443c5be79dd423fcabahrens
1209a471b5681c43d839d4b890f708f500da7346Neil Perrin if (zfsvfs->z_replay) {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens obj = vap->va_nodeid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens now = vap->va_ctime; /* see zfs_replay_create() */
fa9e4066f08beec538e775443c5be79dd423fcabahrens gen = vap->va_nblocks; /* ditto */
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens obj = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens gethrestime(&now);
fa9e4066f08beec538e775443c5be79dd423fcabahrens gen = dmu_tx_get_txg(tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum obj_type = zfsvfs->z_use_sa ? DMU_OT_SA : DMU_OT_ZNODE;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum bonuslen = (obj_type == DMU_OT_SA) ?
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum DN_MAX_BONUSLEN : ZFS_OLD_ZNODE_PHYS_SIZE;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Create a new DMU object.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * There's currently no mechanism for pre-reading the blocks that will
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson * be needed to allocate a new object, so we accept the small chance
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * that there will be an i/o error and we will fail one of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * assertions below.
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vap->va_type == VDIR) {
4a1f0cc97e50e029e40b6055fa68f89c9ae6bb38Mark Shellenbaum if (zfsvfs->z_replay) {
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman VERIFY0(zap_create_claim_norm(zfsvfs->z_os, obj,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman obj_type, bonuslen, tx));
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens obj = zap_create_norm(zfsvfs->z_os,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum obj_type, bonuslen, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
4a1f0cc97e50e029e40b6055fa68f89c9ae6bb38Mark Shellenbaum if (zfsvfs->z_replay) {
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman VERIFY0(dmu_object_claim(zfsvfs->z_os, obj,
fa9e4066f08beec538e775443c5be79dd423fcabahrens DMU_OT_PLAIN_FILE_CONTENTS, 0,
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman obj_type, bonuslen, tx));
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens obj = dmu_object_alloc(zfsvfs->z_os,
fa9e4066f08beec538e775443c5be79dd423fcabahrens DMU_OT_PLAIN_FILE_CONTENTS, 0,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum obj_type, bonuslen, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum ZFS_OBJ_HOLD_ENTER(zfsvfs, obj);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(0 == sa_buf_hold(zfsvfs->z_os, obj, NULL, &db));
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If this is the root, fix up the half-initialized parent pointer
fa9e4066f08beec538e775443c5be79dd423fcabahrens * to reference the just-allocated physical data area.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (flag & IS_ROOT_NODE) {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens dzp->z_id = obj;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dzp_pflags = dzp->z_pflags;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If parent is an xattr, so am I.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (dzp_pflags & ZFS_XATTR) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens flag |= IS_XATTR;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (zfsvfs->z_use_fuids)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum pflags = ZFS_ARCHIVE | ZFS_AV_MODIFIED;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum else
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum pflags = 0;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vap->va_type == VDIR) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum size = 2; /* contents ("." and "..") */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum links = (flag & (IS_ROOT_NODE | IS_XATTR)) ? 2 : 1;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum size = links = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (vap->va_type == VBLK || vap->va_type == VCHR) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum rdev = zfs_expldev(vap->va_rdev);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum parent = dzp->z_id;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum mode = acl_ids->z_mode;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (flag & IS_XATTR)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum pflags |= ZFS_XATTR;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum /*
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * No execs denied will be deterimed when zfs_mode_compute() is called.
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum pflags |= acl_ids->z_aclp->z_hints &
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (ZFS_ACL_TRIVIAL|ZFS_INHERIT_ACE|ZFS_ACL_AUTO_INHERIT|
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ACL_DEFAULTED|ZFS_ACL_PROTECTED);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, crtime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, ctime);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vap->va_mask & AT_ATIME) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&vap->va_atime, atime);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, atime);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vap->va_mask & AT_MTIME) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&vap->va_mtime, mtime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, mtime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum /* Now add in all of the "SA" attributes */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(0 == sa_handle_get_from_db(zfsvfs->z_os, db, NULL, SA_HDL_SHARED,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &sa_hdl));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum /*
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * Setup the array of attributes to be replaced/set on the new file
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * order for DMU_OT_ZNODE is critical since it needs to be constructed
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * in the old znode_phys_t format. Don't change this ordering
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (obj_type == DMU_OT_ZNODE) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &atime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &mtime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &ctime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &crtime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &gen, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &mode, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &size, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &parent, 8);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MODE(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &mode, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_SIZE(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &size, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GEN(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &gen, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_ids->z_fuid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_ids->z_fgid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PARENT(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &parent, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &pflags, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ATIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &atime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_MTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &mtime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &ctime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_CRTIME(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &crtime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_LINKS(zfsvfs), NULL, &links, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (obj_type == DMU_OT_ZNODE) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_XATTR(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &empty_xattr, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (obj_type == DMU_OT_ZNODE ||
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (vap->va_type == VBLK || vap->va_type == VCHR)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_RDEV(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &rdev, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (obj_type == DMU_OT_ZNODE) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_FLAGS(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum NULL, &pflags, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_UID(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_ids->z_fuid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_GID(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_ids->z_fgid, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_PAD(zfsvfs), NULL, pad,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sizeof (uint64_t) * 4);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_ZNODE_ACL(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_phys, sizeof (zfs_acl_phys_t));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else if (acl_ids->z_aclp->z_version >= ZFS_ACL_VERSION_FUID) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_COUNT(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &acl_ids->z_aclp->z_acl_count, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum locate.cb_aclp = acl_ids->z_aclp;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, cnt, SA_ZPL_DACL_ACES(zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_acl_data_locator, &locate,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum acl_ids->z_aclp->z_acl_bytes);
27dd1e87cd3d939264769dd4af7e6a529cde001fMark Shellenbaum mode = zfs_mode_compute(mode, acl_ids->z_aclp, &pflags,
27dd1e87cd3d939264769dd4af7e6a529cde001fMark Shellenbaum acl_ids->z_fuid, acl_ids->z_fgid);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(sa_replace_all_by_template(sa_hdl, sa_attrs, cnt, tx) == 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee if (!(flag & IS_ROOT_NODE)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *zpp = zfs_znode_alloc(zfsvfs, db, 0, obj_type, sa_hdl);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(*zpp != NULL);
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee } else {
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee /*
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * If we are creating the root node, the "parent" we
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * passed in is the znode for the root.
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee */
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee *zpp = dzp;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (*zpp)->z_sa_hdl = sa_hdl;
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (*zpp)->z_pflags = pflags;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (*zpp)->z_mode = mode;
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum
8f2529de2d60d4fff8eb4d86f71b51584342934eMark Shellenbaum if (vap->va_mask & AT_XVATTR)
8f2529de2d60d4fff8eb4d86f71b51584342934eMark Shellenbaum zfs_xvattr_set(*zpp, (xvattr_t *)vap, tx);
8f2529de2d60d4fff8eb4d86f71b51584342934eMark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (obj_type == DMU_OT_ZNODE ||
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum acl_ids->z_aclp->z_version < ZFS_ACL_VERSION_FUID) {
43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman VERIFY0(zfs_aclset_common(*zpp, acl_ids->z_aclp, cr, tx));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum/*
f7170741490edba9d1d9c697c177c887172bc741Will Andrews * Update in-core attributes. It is assumed the caller will be doing an
f7170741490edba9d1d9c697c177c887172bc741Will Andrews * sa_bulk_update to push the changes out.
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwvoid
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumzfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw xoptattr_t *xoap;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw xoap = xva_getxoptattr(xvap);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw ASSERT(xoap);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t times[2];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&xoap->xoa_createtime, times);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (void) sa_update(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &times, sizeof (times), tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_CREATETIME);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_READONLY)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_READONLY, xoap->xoa_readonly,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_READONLY);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_HIDDEN, xoap->xoa_hidden,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_HIDDEN);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_SYSTEM, xoap->xoa_system,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_SYSTEM);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_ARCHIVE, xoap->xoa_archive,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_ARCHIVE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_IMMUTABLE, xoap->xoa_immutable,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_IMMUTABLE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_NOUNLINK, xoap->xoa_nounlink,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_NOUNLINK);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_APPENDONLY, xoap->xoa_appendonly,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_APPENDONLY);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_NODUMP, xoap->xoa_nodump,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_NODUMP);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_OPAQUE, xoap->xoa_opaque,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_OPAQUE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw ZFS_ATTR_SET(zp, ZFS_AV_QUARANTINED,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum xoap->xoa_av_quarantined, zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_AV_QUARANTINED);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_AV_MODIFIED, xoap->xoa_av_modified,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_AV_MODIFIED);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_sa_set_scanstamp(zp, xvap, tx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
7a286c471efbab8562f7655a82931904703fffe0Dai Ngo if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_ATTR_SET(zp, ZFS_REPARSE, xoap->xoa_reparse,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags, tx);
7a286c471efbab8562f7655a82931904703fffe0Dai Ngo XVA_SET_RTN(xvap, XAT_REPARSE);
7a286c471efbab8562f7655a82931904703fffe0Dai Ngo }
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) {
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh ZFS_ATTR_SET(zp, ZFS_OFFLINE, xoap->xoa_offline,
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh zp->z_pflags, tx);
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh XVA_SET_RTN(xvap, XAT_OFFLINE);
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh }
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) {
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh ZFS_ATTR_SET(zp, ZFS_SPARSE, xoap->xoa_sparse,
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh zp->z_pflags, tx);
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh XVA_SET_RTN(xvap, XAT_SPARSE);
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
fa9e4066f08beec538e775443c5be79dd423fcabahrensint
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_zget(zfsvfs_t *zfsvfs, uint64_t obj_num, znode_t **zpp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_object_info_t doi;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_buf_t *db;
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *zp;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock int err;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_t *hdl;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens *zpp = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_ENTER(zfsvfs, obj_num);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum err = sa_buf_hold(zfsvfs->z_os, obj_num, NULL, &db);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (err) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (err);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_object_info_from_db(db, &doi);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (doi.doi_bonus_type != DMU_OT_SA &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (doi.doi_bonus_type != DMU_OT_ZNODE ||
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (doi.doi_bonus_type == DMU_OT_ZNODE &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum doi.doi_bonus_size < sizeof (znode_phys_t)))) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_buf_rele(db, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum hdl = dmu_buf_get_user(db);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (hdl != NULL) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp = sa_get_userdata(hdl);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens /*
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * Since "SA" does immediate eviction we
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * should never find a sa handle that doesn't
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * know about the znode.
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT3P(zp, !=, NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum mutex_enter(&zp->z_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT3U(zp->z_id, ==, obj_num);
893a6d32980d24be1349478f44169009d4801c25ahrens if (zp->z_unlinked) {
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens err = SET_ERROR(ENOENT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens VN_HOLD(ZTOV(zp));
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens *zpp = zp;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens err = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&zp->z_lock);
eaef6a96de3f6afbbccc69bd7a0aed4463689d0aRichard Yao sa_buf_rele(db, NULL);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens return (err);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Not found create new znode/vnode
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum * but only if file exists.
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum *
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum * There is a small window where zfs_vget() could
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum * find this object while a file create is still in
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * progress. This is checked for in zfs_znode_alloc()
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * if zfs_znode_alloc() fails it will drop the hold on the
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * bonus buffer.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp = zfs_znode_alloc(zfsvfs, db, doi.doi_data_block_size,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum doi.doi_bonus_type, NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (zp == NULL) {
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens err = SET_ERROR(ENOENT);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *zpp = zp;
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum }
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum return (err);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
f18faf3f3e5def85fdfff681617d227703ace2adekint
f18faf3f3e5def85fdfff681617d227703ace2adekzfs_rezget(znode_t *zp)
f18faf3f3e5def85fdfff681617d227703ace2adek{
f18faf3f3e5def85fdfff681617d227703ace2adek zfsvfs_t *zfsvfs = zp->z_zfsvfs;
f18faf3f3e5def85fdfff681617d227703ace2adek dmu_object_info_t doi;
f18faf3f3e5def85fdfff681617d227703ace2adek dmu_buf_t *db;
f18faf3f3e5def85fdfff681617d227703ace2adek uint64_t obj_num = zp->z_id;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t mode;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_bulk_attr_t bulk[8];
f18faf3f3e5def85fdfff681617d227703ace2adek int err;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int count = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t gen;
f18faf3f3e5def85fdfff681617d227703ace2adek
f18faf3f3e5def85fdfff681617d227703ace2adek ZFS_OBJ_HOLD_ENTER(zfsvfs, obj_num);
f18faf3f3e5def85fdfff681617d227703ace2adek
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum mutex_enter(&zp->z_acl_lock);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (zp->z_acl_cached) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_acl_free(zp->z_acl_cached);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_acl_cached = NULL;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum mutex_exit(&zp->z_acl_lock);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(zp->z_sa_hdl == NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum err = sa_buf_hold(zfsvfs->z_os, obj_num, NULL, &db);
f18faf3f3e5def85fdfff681617d227703ace2adek if (err) {
f18faf3f3e5def85fdfff681617d227703ace2adek ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
f18faf3f3e5def85fdfff681617d227703ace2adek return (err);
f18faf3f3e5def85fdfff681617d227703ace2adek }
f18faf3f3e5def85fdfff681617d227703ace2adek
f18faf3f3e5def85fdfff681617d227703ace2adek dmu_object_info_from_db(db, &doi);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (doi.doi_bonus_type != DMU_OT_SA &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (doi.doi_bonus_type != DMU_OT_ZNODE ||
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (doi.doi_bonus_type == DMU_OT_ZNODE &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum doi.doi_bonus_size < sizeof (znode_phys_t)))) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_buf_rele(db, NULL);
f18faf3f3e5def85fdfff681617d227703ace2adek ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));
f18faf3f3e5def85fdfff681617d227703ace2adek }
f18faf3f3e5def85fdfff681617d227703ace2adek
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_znode_sa_init(zfsvfs, zp, db, doi.doi_bonus_type, NULL);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum /* reload cached values */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &gen, sizeof (gen));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_size, sizeof (zp->z_size));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_links, sizeof (zp->z_links));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_pflags, sizeof (zp->z_pflags));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_atime, sizeof (zp->z_atime));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zfsvfs), NULL,
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum &zp->z_uid, sizeof (zp->z_uid));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zfsvfs), NULL,
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum &zp->z_gid, sizeof (zp->z_gid));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zfsvfs), NULL,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &mode, sizeof (mode));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_znode_dmu_fini(zp);
f18faf3f3e5def85fdfff681617d227703ace2adek ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EIO));
f18faf3f3e5def85fdfff681617d227703ace2adek }
f18faf3f3e5def85fdfff681617d227703ace2adek
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum zp->z_mode = mode;
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (gen != zp->z_gen) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_znode_dmu_fini(zp);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EIO));
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum }
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_unlinked = (zp->z_links == 0);
6166ad1cf6916c6ae280ad0d6d157b6024b89611ek zp->z_blksz = doi.doi_data_block_size;
f18faf3f3e5def85fdfff681617d227703ace2adek
f18faf3f3e5def85fdfff681617d227703ace2adek ZFS_OBJ_HOLD_EXIT(zfsvfs, obj_num);
f18faf3f3e5def85fdfff681617d227703ace2adek
f18faf3f3e5def85fdfff681617d227703ace2adek return (0);
f18faf3f3e5def85fdfff681617d227703ace2adek}
f18faf3f3e5def85fdfff681617d227703ace2adek
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_znode_delete(znode_t *zp, dmu_tx_t *tx)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfsvfs_t *zfsvfs = zp->z_zfsvfs;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee objset_t *os = zfsvfs->z_os;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens uint64_t obj = zp->z_id;
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum uint64_t acl_obj = zfs_external_acl(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens ZFS_OBJ_HOLD_ENTER(zfsvfs, obj);
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum if (acl_obj) {
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum VERIFY(!zp->z_is_sa);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee VERIFY(0 == dmu_object_free(os, acl_obj, tx));
1412a1a223b7a94990edf5114c108b0a29c3f881Mark Shellenbaum }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee VERIFY(0 == dmu_object_free(os, obj, tx));
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens zfs_znode_dmu_fini(zp);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee zfs_znode_free(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_zinactive(znode_t *zp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens vnode_t *vp = ZTOV(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfsvfs_t *zfsvfs = zp->z_zfsvfs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t z_id = zp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(zp->z_sa_hdl);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Don't allow a zfs_zget() while were trying to release this znode
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_ENTER(zfsvfs, z_id);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&zp->z_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&vp->v_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp->v_count--;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vp->v_count > 0 || vn_has_cached_data(vp)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If the hold count is greater than zero, somebody has
fa9e4066f08beec538e775443c5be79dd423fcabahrens * obtained a new reference on this znode while we were
fa9e4066f08beec538e775443c5be79dd423fcabahrens * processing it here, so we are done. If we still have
fa9e4066f08beec538e775443c5be79dd423fcabahrens * mapped pages then we are also done, since we don't
fa9e4066f08beec538e775443c5be79dd423fcabahrens * want to inactivate the znode until the pages get pushed.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * XXX - if vn_has_cached_data(vp) is true, but count == 0,
fa9e4066f08beec538e775443c5be79dd423fcabahrens * this seems like it would leave the znode hanging with
fa9e4066f08beec538e775443c5be79dd423fcabahrens * no chance to go inactive...
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&vp->v_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&zp->z_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, z_id);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&vp->v_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If this was the last reference to a file with no links,
fa9e4066f08beec538e775443c5be79dd423fcabahrens * remove the file from the file system.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
893a6d32980d24be1349478f44169009d4801c25ahrens if (zp->z_unlinked) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&zp->z_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, z_id);
893a6d32980d24be1349478f44169009d4801c25ahrens zfs_rmnode(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&zp->z_lock);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens zfs_znode_dmu_fini(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZFS_OBJ_HOLD_EXIT(zfsvfs, z_id);
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee zfs_znode_free(zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_znode_free(znode_t *zp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens zfsvfs_t *zfsvfs = zp->z_zfsvfs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee vn_invalid(ZTOV(zp));
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(ZTOV(zp)->v_count == 0);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&zfsvfs->z_znodes_lock);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee POINTER_INVALIDATE(&zp->z_zfsvfs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens list_remove(&zfsvfs->z_all_znodes, zp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&zfsvfs->z_znodes_lock);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
d47621a49c68c359358f6630aa45cc320762f51fTim Haley if (zp->z_acl_cached) {
d47621a49c68c359358f6630aa45cc320762f51fTim Haley zfs_acl_free(zp->z_acl_cached);
d47621a49c68c359358f6630aa45cc320762f51fTim Haley zp->z_acl_cached = NULL;
d47621a49c68c359358f6630aa45cc320762f51fTim Haley }
d47621a49c68c359358f6630aa45cc320762f51fTim Haley
fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_cache_free(znode_cache, zp);
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee VFS_RELE(zfsvfs->z_vfs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaumzfs_tstamp_update_setup(znode_t *zp, uint_t flag, uint64_t mtime[2],
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t ctime[2], boolean_t have_tx)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens timestruc_t now;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens gethrestime(&now);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (have_tx) { /* will sa_bulk_update happen really soon? */
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_atime_dirty = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_seq++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens zp->z_atime_dirty = 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (flag & AT_ATIME) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, zp->z_atime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (flag & AT_MTIME) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, mtime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (zp->z_zfsvfs->z_use_fuids) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags |= (ZFS_ARCHIVE |
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_AV_MODIFIED);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (flag & AT_CTIME) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&now, ctime);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (zp->z_zfsvfs->z_use_fuids)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_pflags |= ZFS_ARCHIVE;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin * Grow the block size for a file.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * IN: zp - znode of file to free data in.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * size - requested block size
fa9e4066f08beec538e775443c5be79dd423fcabahrens * tx - open transaction.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * NOTE: this function assumes that the znode is write locked.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrinvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_grow_blocksize(znode_t *zp, uint64_t size, dmu_tx_t *tx)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens int error;
fa9e4066f08beec538e775443c5be79dd423fcabahrens u_longlong_t dummy;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (size <= zp->z_blksz)
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If the file size is already greater than the current blocksize,
fa9e4066f08beec538e775443c5be79dd423fcabahrens * we will not grow. If there is more than one block in a file,
fa9e4066f08beec538e775443c5be79dd423fcabahrens * the blocksize cannot change.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (zp->z_blksz && zp->z_size > zp->z_blksz)
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = dmu_object_set_blocksize(zp->z_zfsvfs->z_os, zp->z_id,
fa9e4066f08beec538e775443c5be79dd423fcabahrens size, 0, tx);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (error == ENOTSUP)
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin return;
fb09f5aad449c97fe309678f3f604982b563a96fMadhav Suresh ASSERT0(error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* What blocksize did we actually get? */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &zp->z_blksz, &dummy);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * This is a dummy interface used when pvn_vplist_dirty() should *not*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * be calling back into the fs for a putpage(). E.g.: when truncating
fa9e4066f08beec538e775443c5be79dd423fcabahrens * a file, the pages being "thrown away* don't need to be written out.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_no_putpage(vnode_t *vp, page_t *pp, u_offset_t *offp, size_t *lenp,
fa9e4066f08beec538e775443c5be79dd423fcabahrens int flags, cred_t *cr)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Increase the file length
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * IN: zp - znode of file to free data in.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * end - new end-of-file
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens * RETURN: 0 on success, error code on failure
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeestatic int
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeezfs_extend(znode_t *zp, uint64_t end)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee zfsvfs_t *zfsvfs = zp->z_zfsvfs;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_t *tx;
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee rl_t *rl;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee uint64_t newblksz;
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin int error;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * We will change zp_size, lock the whole file.
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee rl = zfs_range_lock(zp, 0, UINT64_MAX, RL_WRITER);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Nothing to do if file already at desired length.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (end <= zp->z_size) {
c5c6ffa0498b9c8555798756141b4a3061a138c1maybee zfs_range_unlock(rl);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee tx = dmu_tx_create(zfsvfs->z_os);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_sa_upgrade_txholds(tx, zp);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (end > zp->z_blksz &&
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee (!ISP2(zp->z_blksz) || zp->z_blksz < zfsvfs->z_max_blksz)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We are growing the file past the current block size.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zp->z_blksz > zp->z_zfsvfs->z_max_blksz) {
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens /*
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens * File's blocksize is already larger than the
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens * "recordsize" property. Only let it grow to
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens * the next power of 2.
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(!ISP2(zp->z_blksz));
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens newblksz = MIN(end, 1 << highbit64(zp->z_blksz));
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee newblksz = MIN(end, zp->z_zfsvfs->z_max_blksz);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_hold_write(tx, zp->z_id, 0, newblksz);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee } else {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee newblksz = 0;
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee }
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
e722410c49fe67cbf0f639cbcc288bd6cbcf7dd1Matthew Ahrens error = dmu_tx_assign(tx, TXG_WAIT);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee if (error) {
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee dmu_tx_abort(tx);
c5c6ffa0498b9c8555798756141b4a3061a138c1maybee zfs_range_unlock(rl);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee return (error);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (newblksz)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_grow_blocksize(zp, newblksz, tx);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_size = end;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SIZE(zp->z_zfsvfs),
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum &zp->z_size, sizeof (zp->z_size), tx));
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_range_unlock(rl);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_commit(tx);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (0);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee}
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee/*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Free space in a file.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * IN: zp - znode of file to free data in.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * off - start of section to free.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * len - length of section to free.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens * RETURN: 0 on success, error code on failure
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeestatic int
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeezfs_free_range(znode_t *zp, uint64_t off, uint64_t len)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee{
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfsvfs_t *zfsvfs = zp->z_zfsvfs;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee rl_t *rl;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee int error;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Lock the range being freed.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee rl = zfs_range_lock(zp, off, len, RL_WRITER);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Nothing to do if file already at desired length.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (off >= zp->z_size) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_range_unlock(rl);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (0);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee }
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (off + len > zp->z_size)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum len = zp->z_size - off;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee error = dmu_free_long_range(zfsvfs->z_os, zp->z_id, off, len);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
c5c6ffa0498b9c8555798756141b4a3061a138c1maybee zfs_range_unlock(rl);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee}
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee/*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Truncate a file
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * IN: zp - znode of file to free data in.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * end - new end-of-file.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens * RETURN: 0 on success, error code on failure
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeestatic int
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeezfs_trunc(znode_t *zp, uint64_t end)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee{
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfsvfs_t *zfsvfs = zp->z_zfsvfs;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee vnode_t *vp = ZTOV(zp);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_t *tx;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee rl_t *rl;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee int error;
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh sa_bulk_attr_t bulk[2];
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh int count = 0;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * We will change zp_size, lock the whole file.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee rl = zfs_range_lock(zp, 0, UINT64_MAX, RL_WRITER);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Nothing to do if file already at desired length.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (end >= zp->z_size) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_range_unlock(rl);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (0);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee error = dmu_free_long_range(zfsvfs->z_os, zp->z_id, end, -1);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_range_unlock(rl);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee tx = dmu_tx_create(zfsvfs->z_os);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_sa_upgrade_txholds(tx, zp);
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens dmu_tx_mark_netfree(tx);
e722410c49fe67cbf0f639cbcc288bd6cbcf7dd1Matthew Ahrens error = dmu_tx_assign(tx, TXG_WAIT);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_abort(tx);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_range_unlock(rl);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zp->z_size = end;
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zfsvfs),
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh NULL, &zp->z_size, sizeof (zp->z_size));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh if (end == 0) {
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh zp->z_pflags &= ~ZFS_SPARSE;
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zfsvfs),
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh NULL, &zp->z_pflags, 8);
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh }
fd9ee8b58485b20072eeef1310a88ff348d5e7fajoyce mcintosh VERIFY(sa_bulk_update(zp->z_sa_hdl, bulk, count, tx) == 0);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee dmu_tx_commit(tx);
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee * Clear any mapped pages in the truncated region. This has to
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee * happen outside of the transaction to avoid the possibility of
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee * a deadlock with someone trying to push a page that we are
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee * about to invalidate.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (vn_has_cached_data(vp)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens page_t *pp;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee uint64_t start = end & PAGEMASK;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee int poff = end & PAGEOFFSET;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee if (poff != 0 && (pp = page_lookup(vp, start, SE_SHARED))) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We need to zero a partial page.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee pagezero(pp, poff, PAGESIZE - poff);
fa9e4066f08beec538e775443c5be79dd423fcabahrens start += PAGESIZE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens page_unlock(pp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = pvn_vplist_dirty(vp, start, zfs_no_putpage,
5730cc9a43c5f11a472d7536ed81facfd10f1e2emaybee B_INVAL | B_TRUNC, NULL);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(error == 0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
ac05c741c43aa3e2f9b2f35878d03c299ff80d99Mark Maybee
ac05c741c43aa3e2f9b2f35878d03c299ff80d99Mark Maybee zfs_range_unlock(rl);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee/*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Free space in a file
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * IN: zp - znode of file to free data in.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * off - start of range
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * len - end of range (0 => EOF)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * flag - current file open mode flags.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * log - TRUE if this action should be logged
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee *
4bb73804952172060c9efb163b89c17f56804fe8Matthew Ahrens * RETURN: 0 on success, error code on failure
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeeint
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeezfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee{
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee vnode_t *vp = ZTOV(zp);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_t *tx;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfsvfs_t *zfsvfs = zp->z_zfsvfs;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zilog_t *zilog = zfsvfs->z_log;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t mode;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t mtime[2], ctime[2];
db9986c78dc7730f3091d7780ef0ba0937183a24Mark Shellenbaum sa_bulk_attr_t bulk[3];
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int count = 0;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee int error;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if ((error = sa_lookup(zp->z_sa_hdl, SA_ZPL_MODE(zfsvfs), &mode,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sizeof (mode))) != 0)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum return (error);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (off > zp->z_size) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee error = zfs_extend(zp, off+len);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error == 0 && log)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee goto log;
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee else
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee /*
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee * Check for any locks in the region to be freed.
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (MANDLOCK(vp, (mode_t)mode)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t length = (len ? len : zp->z_size - off);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error = chklock(vp, FWRITE, off, length, flag, NULL))
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (len == 0) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee error = zfs_trunc(zp, off);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee } else {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if ((error = zfs_free_range(zp, off, len)) == 0 &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum off + len > zp->z_size)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee error = zfs_extend(zp, off+len);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error || !log)
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybeelog:
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee tx = dmu_tx_create(zfsvfs->z_os);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_FALSE);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_sa_upgrade_txholds(tx, zp);
e722410c49fe67cbf0f639cbcc288bd6cbcf7dd1Matthew Ahrens error = dmu_tx_assign(tx, TXG_WAIT);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee if (error) {
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_abort(tx);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (error);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee }
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zfsvfs), NULL, mtime, 16);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL, ctime, 16);
db9986c78dc7730f3091d7780ef0ba0937183a24Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zfsvfs),
db9986c78dc7730f3091d7780ef0ba0937183a24Mark Shellenbaum NULL, &zp->z_pflags, 8);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime, B_TRUE);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum error = sa_bulk_update(zp->z_sa_hdl, bulk, count, tx);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(error == 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee zfs_log_truncate(zilog, tx, TX_TRUNCATE, zp, off, len);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee dmu_tx_commit(tx);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee return (0);
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee}
cdb0ab79ea1af7b8fc339a04d4bf7426dc77ec4emaybee
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
de8267e0f723ed2c38ea9def92d465f69a300f56timhzfs_create_fs(objset_t *os, cred_t *cr, nvlist_t *zplprops, dmu_tx_t *tx)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum uint64_t moid, obj, sa_obj, version;
de8267e0f723ed2c38ea9def92d465f69a300f56timh uint64_t sense = ZFS_CASE_SENSITIVE;
de8267e0f723ed2c38ea9def92d465f69a300f56timh uint64_t norm = 0;
de8267e0f723ed2c38ea9def92d465f69a300f56timh nvpair_t *elem;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int error;
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *rootzp = NULL;
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs_t *zfsvfs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vnode_t *vp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vattr_t vattr;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens znode_t *zp;
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum zfs_acl_ids_t acl_ids;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * First attempt to create master node.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock /*
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * In an empty objset, there are no blocks to read and thus
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * there can be no i/o errors (which we assert below).
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock */
fa9e4066f08beec538e775443c5be79dd423fcabahrens moid = MASTER_NODE_OBJ;
fa9e4066f08beec538e775443c5be79dd423fcabahrens error = zap_create_claim(os, moid, DMU_OT_MASTER_NODE,
fa9e4066f08beec538e775443c5be79dd423fcabahrens DMU_OT_NONE, 0, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(error == 0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Set starting attributes.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum version = zfs_zpl_version_map(spa_version(dmu_objset_spa(os)));
de8267e0f723ed2c38ea9def92d465f69a300f56timh elem = NULL;
de8267e0f723ed2c38ea9def92d465f69a300f56timh while ((elem = nvlist_next_nvpair(zplprops, elem)) != NULL) {
de8267e0f723ed2c38ea9def92d465f69a300f56timh /* For the moment we expect all zpl props to be uint64_ts */
de8267e0f723ed2c38ea9def92d465f69a300f56timh uint64_t val;
de8267e0f723ed2c38ea9def92d465f69a300f56timh char *name;
de8267e0f723ed2c38ea9def92d465f69a300f56timh
de8267e0f723ed2c38ea9def92d465f69a300f56timh ASSERT(nvpair_type(elem) == DATA_TYPE_UINT64);
b3d911cb99b7e5dd9df4c81fd7b58a97c82d07dbtimh VERIFY(nvpair_value_uint64(elem, &val) == 0);
de8267e0f723ed2c38ea9def92d465f69a300f56timh name = nvpair_name(elem);
de8267e0f723ed2c38ea9def92d465f69a300f56timh if (strcmp(name, zfs_prop_to_name(ZFS_PROP_VERSION)) == 0) {
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (val < version)
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens version = val;
de8267e0f723ed2c38ea9def92d465f69a300f56timh } else {
de8267e0f723ed2c38ea9def92d465f69a300f56timh error = zap_update(os, moid, name, 8, 1, &val, tx);
de8267e0f723ed2c38ea9def92d465f69a300f56timh }
de8267e0f723ed2c38ea9def92d465f69a300f56timh ASSERT(error == 0);
de8267e0f723ed2c38ea9def92d465f69a300f56timh if (strcmp(name, zfs_prop_to_name(ZFS_PROP_NORMALIZE)) == 0)
de8267e0f723ed2c38ea9def92d465f69a300f56timh norm = val;
de8267e0f723ed2c38ea9def92d465f69a300f56timh else if (strcmp(name, zfs_prop_to_name(ZFS_PROP_CASE)) == 0)
de8267e0f723ed2c38ea9def92d465f69a300f56timh sense = val;
de8267e0f723ed2c38ea9def92d465f69a300f56timh }
de8267e0f723ed2c38ea9def92d465f69a300f56timh ASSERT(version != 0);
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens error = zap_update(os, moid, ZPL_VERSION_STR, 8, 1, &version, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum /*
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * Create zap object used for SA attribute registration
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (version >= ZPL_VERSION_SA) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_obj = zap_create(os, DMU_OT_SA_MASTER_NODE,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum DMU_OT_NONE, 0, tx);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum error = zap_add(os, moid, ZFS_SA_ATTRS, 8, 1, &sa_obj, tx);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ASSERT(error == 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_obj = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Create a delete queue.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens obj = zap_create(os, DMU_OT_UNLINKED_SET, DMU_OT_NONE, 0, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens error = zap_add(os, moid, ZFS_UNLINKED_SET, 8, 1, &obj, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(error == 0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Create root znode. Create minimal znode/vnode/zfsvfs
fa9e4066f08beec538e775443c5be79dd423fcabahrens * to allow zfs_mknode to work.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vattr.va_type = VDIR;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vattr.va_mode = S_IFDIR|0755;
ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks vattr.va_uid = crgetuid(cr);
ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks vattr.va_gid = crgetgid(cr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens rootzp = kmem_cache_alloc(znode_cache, KM_SLEEP);
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson ASSERT(!POINTER_IS_VALID(rootzp->z_zfsvfs));
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson rootzp->z_moved = 0;
893a6d32980d24be1349478f44169009d4801c25ahrens rootzp->z_unlinked = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens rootzp->z_atime_dirty = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum rootzp->z_is_sa = USE_SA(version, os);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp = ZTOV(rootzp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens vn_reinit(vp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens vp->v_type = VDIR;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs = kmem_zalloc(sizeof (zfsvfs_t), KM_SLEEP);
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_os = os;
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_parent = zfsvfs;
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_version = version;
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_use_fuids = USE_FUIDS(version, os);
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_use_sa = USE_SA(version, os);
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_norm = norm;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
1d8ccc7bfd8ab0f27a23c5253d95c22ceb9c27f4Mark Shellenbaum error = sa_setup(os, sa_obj, zfs_attr_table, ZPL_END,
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff &zfsvfs->z_attr_table);
1d8ccc7bfd8ab0f27a23c5253d95c22ceb9c27f4Mark Shellenbaum
1d8ccc7bfd8ab0f27a23c5253d95c22ceb9c27f4Mark Shellenbaum ASSERT(error == 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
de8267e0f723ed2c38ea9def92d465f69a300f56timh /*
de8267e0f723ed2c38ea9def92d465f69a300f56timh * Fold case on file systems that are always or sometimes case
de8267e0f723ed2c38ea9def92d465f69a300f56timh * insensitive.
de8267e0f723ed2c38ea9def92d465f69a300f56timh */
de8267e0f723ed2c38ea9def92d465f69a300f56timh if (sense == ZFS_CASE_INSENSITIVE || sense == ZFS_CASE_MIXED)
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff zfsvfs->z_norm |= U8_TEXTPREP_TOUPPER;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff mutex_init(&zfsvfs->z_znodes_lock, NULL, MUTEX_DEFAULT, NULL);
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff list_create(&zfsvfs->z_all_znodes, sizeof (znode_t),
fa9e4066f08beec538e775443c5be79dd423fcabahrens offsetof(znode_t, z_link_node));
fa9e4066f08beec538e775443c5be79dd423fcabahrens
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff mutex_init(&zfsvfs->z_hold_mtx[i], NULL, MUTEX_DEFAULT, NULL);
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff rootzp->z_zfsvfs = zfsvfs;
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum VERIFY(0 == zfs_acl_ids_create(rootzp, IS_ROOT_NODE, &vattr,
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum cr, NULL, &acl_ids));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zfs_mknode(rootzp, &vattr, tx, cr, IS_ROOT_NODE, &zp, &acl_ids);
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee ASSERT3P(zp, ==, rootzp);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(!vn_in_dnlc(ZTOV(rootzp))); /* not valid to move */
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens error = zap_add(os, moid, ZFS_ROOT_OBJ, 8, 1, &rootzp->z_id, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(error == 0);
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum zfs_acl_ids_free(&acl_ids);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee POINTER_INVALIDATE(&rootzp->z_zfsvfs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens ZTOV(rootzp)->v_count = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum sa_handle_destroy(rootzp->z_sa_hdl);
fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_cache_free(znode_cache, rootzp);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright /*
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright * Create shares directory
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright */
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff error = zfs_create_share_dir(zfsvfs, tx);
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ASSERT(error == 0);
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum
59e7834d1e880f3bff4758743856820dfb41e8f2Mark Shellenbaum for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff mutex_destroy(&zfsvfs->z_hold_mtx[i]);
c701fde6911c957e71b37aac4daf672bd828f4d7Gleb Smirnoff kmem_free(zfsvfs, sizeof (zfsvfs_t));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
55434c770c89aa1b84474f2559a106803511aba0ek
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#endif /* _KERNEL */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
55434c770c89aa1b84474f2559a106803511aba0ekstatic int
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_sa_setup(objset_t *osp, sa_attr_type_t **sa_table)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley uint64_t sa_obj = 0;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int error;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zap_lookup(osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 8, 1, &sa_obj);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0 && error != ENOENT)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = sa_setup(osp, sa_obj, zfs_attr_table, ZPL_END, sa_table);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haleystatic int
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_grab_sa_handle(objset_t *osp, uint64_t obj, sa_handle_t **hdlp,
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley dmu_buf_t **db, void *tag)
55434c770c89aa1b84474f2559a106803511aba0ek{
55434c770c89aa1b84474f2559a106803511aba0ek dmu_object_info_t doi;
55434c770c89aa1b84474f2559a106803511aba0ek int error;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley if ((error = sa_buf_hold(osp, obj, tag, db)) != 0)
55434c770c89aa1b84474f2559a106803511aba0ek return (error);
55434c770c89aa1b84474f2559a106803511aba0ek
99d5e173470cf967aa87653364ed614299e7b511Tim Haley dmu_object_info_from_db(*db, &doi);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if ((doi.doi_bonus_type != DMU_OT_SA &&
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum doi.doi_bonus_type != DMU_OT_ZNODE) ||
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum doi.doi_bonus_type == DMU_OT_ZNODE &&
55434c770c89aa1b84474f2559a106803511aba0ek doi.doi_bonus_size < sizeof (znode_phys_t)) {
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley sa_buf_rele(*db, tag);
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(ENOTSUP));
55434c770c89aa1b84474f2559a106803511aba0ek }
55434c770c89aa1b84474f2559a106803511aba0ek
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = sa_handle_get(osp, obj, NULL, SA_HDL_PRIVATE, hdlp);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0) {
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley sa_buf_rele(*db, tag);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum return (error);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (0);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyvoid
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haleyzfs_release_sa_handle(sa_handle_t *hdl, dmu_buf_t *db, void *tag)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_handle_destroy(hdl);
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley sa_buf_rele(db, tag);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley/*
99d5e173470cf967aa87653364ed614299e7b511Tim Haley * Given an object number, return its parent object number and whether
99d5e173470cf967aa87653364ed614299e7b511Tim Haley * or not the object is an extended attribute directory.
99d5e173470cf967aa87653364ed614299e7b511Tim Haley */
99d5e173470cf967aa87653364ed614299e7b511Tim Haleystatic int
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Joneszfs_obj_to_pobj(objset_t *osp, sa_handle_t *hdl, sa_attr_type_t *sa_table,
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones uint64_t *pobjp, int *is_xattrdir)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley uint64_t parent;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley uint64_t pflags;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley uint64_t mode;
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones uint64_t parent_mode;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_bulk_attr_t bulk[3];
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones sa_handle_t *sa_hdl;
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones dmu_buf_t *sa_db;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int count = 0;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int error;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_PARENT], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &parent, sizeof (parent));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_FLAGS], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &pflags, sizeof (pflags));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_MODE], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &mode, sizeof (mode));
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if ((error = sa_bulk_lookup(hdl, bulk, count)) != 0)
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones /*
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * When a link is removed its parent pointer is not changed and will
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * be invalid. There are two cases where a link is removed but the
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * file stays around, when it goes to the delete queue and when there
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * are additional links.
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones */
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones error = zfs_grab_sa_handle(osp, parent, &sa_hdl, &sa_db, FTAG);
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones if (error != 0)
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones return (error);
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones error = sa_lookup(sa_hdl, ZPL_MODE, &parent_mode, sizeof (parent_mode));
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones zfs_release_sa_handle(sa_hdl, sa_db, FTAG);
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones if (error != 0)
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones return (error);
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *is_xattrdir = ((pflags & ZFS_XATTR) != 0) && S_ISDIR(mode);
55434c770c89aa1b84474f2559a106803511aba0ek
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones /*
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * Extended attributes can be applied to files, directories, etc.
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones * Otherwise the parent must be a directory.
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones */
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones if (!*is_xattrdir && !S_ISDIR(parent_mode))
be6fd75a69ae679453d9cda5bff3326111e6d1caMatthew Ahrens return (SET_ERROR(EINVAL));
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones *pobjp = parent;
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones
55434c770c89aa1b84474f2559a106803511aba0ek return (0);
55434c770c89aa1b84474f2559a106803511aba0ek}
55434c770c89aa1b84474f2559a106803511aba0ek
99d5e173470cf967aa87653364ed614299e7b511Tim Haley/*
99d5e173470cf967aa87653364ed614299e7b511Tim Haley * Given an object number, return some zpl level statistics
99d5e173470cf967aa87653364ed614299e7b511Tim Haley */
99d5e173470cf967aa87653364ed614299e7b511Tim Haleystatic int
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_obj_to_stats_impl(sa_handle_t *hdl, sa_attr_type_t *sa_table,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley zfs_stat_t *sb)
55434c770c89aa1b84474f2559a106803511aba0ek{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_bulk_attr_t bulk[4];
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int count = 0;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_MODE], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &sb->zs_mode, sizeof (sb->zs_mode));
99d5e173470cf967aa87653364ed614299e7b511Tim Haley SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_GEN], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &sb->zs_gen, sizeof (sb->zs_gen));
99d5e173470cf967aa87653364ed614299e7b511Tim Haley SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_LINKS], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &sb->zs_links, sizeof (sb->zs_links));
99d5e173470cf967aa87653364ed614299e7b511Tim Haley SA_ADD_BULK_ATTR(bulk, count, sa_table[ZPL_CTIME], NULL,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &sb->zs_ctime, sizeof (sb->zs_ctime));
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (sa_bulk_lookup(hdl, bulk, count));
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haleystatic int
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_obj_to_path_impl(objset_t *osp, uint64_t obj, sa_handle_t *hdl,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_attr_type_t *sa_table, char *buf, int len)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_handle_t *sa_hdl;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_handle_t *prevhdl = NULL;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley dmu_buf_t *prevdb = NULL;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley dmu_buf_t *sa_db = NULL;
55434c770c89aa1b84474f2559a106803511aba0ek char *path = buf + len - 1;
55434c770c89aa1b84474f2559a106803511aba0ek int error;
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek *path = '\0';
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_hdl = hdl;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
55434c770c89aa1b84474f2559a106803511aba0ek for (;;) {
55434c770c89aa1b84474f2559a106803511aba0ek uint64_t pobj;
55434c770c89aa1b84474f2559a106803511aba0ek char component[MAXNAMELEN + 2];
55434c770c89aa1b84474f2559a106803511aba0ek size_t complen;
55434c770c89aa1b84474f2559a106803511aba0ek int is_xattrdir;
55434c770c89aa1b84474f2559a106803511aba0ek
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (prevdb)
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley zfs_release_sa_handle(prevhdl, prevdb, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
1ce39b5f7909b9be3294c026d97221d76b301e88Jeremy Jones if ((error = zfs_obj_to_pobj(osp, sa_hdl, sa_table, &pobj,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley &is_xattrdir)) != 0)
55434c770c89aa1b84474f2559a106803511aba0ek break;
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek if (pobj == obj) {
55434c770c89aa1b84474f2559a106803511aba0ek if (path[0] != '/')
55434c770c89aa1b84474f2559a106803511aba0ek *--path = '/';
55434c770c89aa1b84474f2559a106803511aba0ek break;
55434c770c89aa1b84474f2559a106803511aba0ek }
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek component[0] = '/';
55434c770c89aa1b84474f2559a106803511aba0ek if (is_xattrdir) {
55434c770c89aa1b84474f2559a106803511aba0ek (void) sprintf(component + 1, "<xattrdir>");
55434c770c89aa1b84474f2559a106803511aba0ek } else {
e7437265dc2a4920c197ed4337665539d358b22cahrens error = zap_value_search(osp, pobj, obj,
e7437265dc2a4920c197ed4337665539d358b22cahrens ZFS_DIRENT_OBJ(-1ULL), component + 1);
55434c770c89aa1b84474f2559a106803511aba0ek if (error != 0)
55434c770c89aa1b84474f2559a106803511aba0ek break;
55434c770c89aa1b84474f2559a106803511aba0ek }
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek complen = strlen(component);
55434c770c89aa1b84474f2559a106803511aba0ek path -= complen;
55434c770c89aa1b84474f2559a106803511aba0ek ASSERT(path >= buf);
55434c770c89aa1b84474f2559a106803511aba0ek bcopy(component, path, complen);
55434c770c89aa1b84474f2559a106803511aba0ek obj = pobj;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (sa_hdl != hdl) {
99d5e173470cf967aa87653364ed614299e7b511Tim Haley prevhdl = sa_hdl;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley prevdb = sa_db;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley }
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley error = zfs_grab_sa_handle(osp, obj, &sa_hdl, &sa_db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0) {
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_hdl = prevhdl;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_db = prevdb;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley break;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley }
99d5e173470cf967aa87653364ed614299e7b511Tim Haley }
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (sa_hdl != NULL && sa_hdl != hdl) {
99d5e173470cf967aa87653364ed614299e7b511Tim Haley ASSERT(sa_db != NULL);
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley zfs_release_sa_handle(sa_hdl, sa_db, FTAG);
55434c770c89aa1b84474f2559a106803511aba0ek }
55434c770c89aa1b84474f2559a106803511aba0ek
55434c770c89aa1b84474f2559a106803511aba0ek if (error == 0)
55434c770c89aa1b84474f2559a106803511aba0ek (void) memmove(buf, path, buf + len - path);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
55434c770c89aa1b84474f2559a106803511aba0ek return (error);
55434c770c89aa1b84474f2559a106803511aba0ek}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyint
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_obj_to_path(objset_t *osp, uint64_t obj, char *buf, int len)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_attr_type_t *sa_table;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_handle_t *hdl;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley dmu_buf_t *db;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int error;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zfs_sa_setup(osp, &sa_table);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley error = zfs_grab_sa_handle(osp, obj, &hdl, &db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zfs_obj_to_path_impl(osp, obj, hdl, sa_table, buf, len);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley zfs_release_sa_handle(hdl, db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyint
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyzfs_obj_to_stats(objset_t *osp, uint64_t obj, zfs_stat_t *sb,
99d5e173470cf967aa87653364ed614299e7b511Tim Haley char *buf, int len)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley{
99d5e173470cf967aa87653364ed614299e7b511Tim Haley char *path = buf + len - 1;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_attr_type_t *sa_table;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley sa_handle_t *hdl;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley dmu_buf_t *db;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley int error;
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley *path = '\0';
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zfs_sa_setup(osp, &sa_table);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley error = zfs_grab_sa_handle(osp, obj, &hdl, &db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0)
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zfs_obj_to_stats_impl(hdl, sa_table, sb);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley if (error != 0) {
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley zfs_release_sa_handle(hdl, db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley }
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
99d5e173470cf967aa87653364ed614299e7b511Tim Haley error = zfs_obj_to_path_impl(osp, obj, hdl, sa_table, buf, len);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley
163eb7ff0acf105df4a6afcbbd919a066afe4a1bTim Haley zfs_release_sa_handle(hdl, db, FTAG);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley return (error);
99d5e173470cf967aa87653364ed614299e7b511Tim Haley}