zfs_log.c revision f7170741490edba9d1d9c697c177c887172bc741
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 */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/types.h>
75c7619736838143dd41b3c5c9d7adec4683488fpeteh#include <sys/param.h>
75c7619736838143dd41b3c5c9d7adec4683488fpeteh#include <sys/systm.h>
55434c770c89aa1b84474f2559a106803511aba0ek#include <sys/sysmacros.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/cmn_err.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/kmem.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/thread.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/file.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vfs.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_znode.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_dir.h>
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks#include <sys/zil.h>
de8267e0f723ed2c38ea9def92d465f69a300f56timh#include <sys/zil_impl.h>
ab04eb8ef60d9dc9614d6cccffc474f24ca1d162timh#include <sys/byteorder.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/policy.h>
aa59c4cb15a6ac5d4e585dadf7a055b580abf579rsb#include <sys/stat.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/mode.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/acl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dmu.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/spa.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_fuid.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/ddi.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_dataset.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * These zfs_log_* functions must be called within a dmu tx, in one
fa9e4066f08beec538e775443c5be79dd423fcabahrens * of 2 contexts depending on zilog->z_replay:
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin * Non replay mode
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * ---------------
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * We need to record the transaction so that if it is committed to
fa9e4066f08beec538e775443c5be79dd423fcabahrens * the Intent Log then it can be replayed. An intent log transaction
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * structure (itx_t) is allocated and all the information necessary to
55434c770c89aa1b84474f2559a106803511aba0ek * possibly replay the transaction is saved in it. The itx is then assigned
55434c770c89aa1b84474f2559a106803511aba0ek * a sequence number and inserted in the in-memory list anchored in the zilog.
55434c770c89aa1b84474f2559a106803511aba0ek *
b515258426fed6c7311fd3f1dea697cfbd4085c6Matthew Ahrens * Replay mode
55434c770c89aa1b84474f2559a106803511aba0ek * -----------
55434c770c89aa1b84474f2559a106803511aba0ek * We need to mark the intent log record as replayed in the log header.
55434c770c89aa1b84474f2559a106803511aba0ek * This is done in the same transaction as the replay so that they
55434c770c89aa1b84474f2559a106803511aba0ek * commit atomically.
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
99d5e173470cf967aa87653364ed614299e7b511Tim Haleyint
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap)
de8267e0f723ed2c38ea9def92d465f69a300f56timh{
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum int isxvattr = (vap->va_mask & AT_XVATTR);
de8267e0f723ed2c38ea9def92d465f69a300f56timh switch (type) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee case Z_FILE:
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp == NULL && !isxvattr)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (TX_CREATE);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp && isxvattr)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (TX_CREATE_ACL_ATTR);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (TX_CREATE_ACL);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee else
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (TX_CREATE_ATTR);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*NOTREACHED*/
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee case Z_DIR:
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp == NULL && !isxvattr)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (TX_MKDIR);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp && isxvattr)
55434c770c89aa1b84474f2559a106803511aba0ek return (TX_MKDIR_ACL_ATTR);
55434c770c89aa1b84474f2559a106803511aba0ek if (vsecp)
55434c770c89aa1b84474f2559a106803511aba0ek return (TX_MKDIR_ACL);
55434c770c89aa1b84474f2559a106803511aba0ek else
55434c770c89aa1b84474f2559a106803511aba0ek return (TX_MKDIR_ATTR);
55434c770c89aa1b84474f2559a106803511aba0ek case Z_XATTRDIR:
4e9583b23260dab68308b306795694143381ab0fTom Erickson return (TX_MKXATTR);
4e9583b23260dab68308b306795694143381ab0fTom Erickson }
4e9583b23260dab68308b306795694143381ab0fTom Erickson ASSERT(0);
4e9583b23260dab68308b306795694143381ab0fTom Erickson return (TX_MAX_TYPE);
4e9583b23260dab68308b306795694143381ab0fTom Erickson}
4e9583b23260dab68308b306795694143381ab0fTom Erickson
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * build up the log data necessary for logging xvattr_t
fa9e4066f08beec538e775443c5be79dd423fcabahrens * First lr_attr_t is initialized. following the lr_attr_t
fa9e4066f08beec538e775443c5be79dd423fcabahrens * is the mapsize and attribute bitmap copied from the xvattr_t.
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * Following the bitmap and bitmapsize two 64 bit words are reserved
fa9e4066f08beec538e775443c5be79dd423fcabahrens * for the create time which may be set. Following the create time
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * records a single 64 bit integer which has the bits to set on
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee * replay for the xvattr.
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee */
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybeestatic void
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybeezfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint32_t *bitmap;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t *attrs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t *crtime;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee xoptattr_t *xoap;
fa9e4066f08beec538e775443c5be79dd423fcabahrens void *scanstamp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee xoap = xva_getxoptattr(xvap);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ASSERT(xoap);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lrattr->lr_attr_masksize = xvap->xva_mapsize;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee bitmap = &lrattr->lr_attr_bitmap;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *bitmap = xvap->xva_reqattrmap[i];
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* Now pack the attributes up in a single uint64_t */
fa9e4066f08beec538e775443c5be79dd423fcabahrens attrs = (uint64_t *)bitmap;
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin crtime = attrs + 1;
af2c4821c0a23e873f2a63bca4145080aa2183e3maybee scanstamp = (caddr_t)(crtime + 2);
fa9e4066f08beec538e775443c5be79dd423fcabahrens *attrs = 0;
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin if (XVA_ISSET_REQ(xvap, XAT_READONLY))
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin *attrs |= (xoap->xoa_readonly == 0) ? 0 :
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin XAT0_READONLY;
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin *attrs |= (xoap->xoa_hidden == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_HIDDEN;
d47621a49c68c359358f6630aa45cc320762f51fTim Haley if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson *attrs |= (xoap->xoa_system == 0) ? 0 :
fa9e4066f08beec538e775443c5be79dd423fcabahrens XAT0_SYSTEM;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
fa9e4066f08beec538e775443c5be79dd423fcabahrens *attrs |= (xoap->xoa_archive == 0) ? 0 :
fa9e4066f08beec538e775443c5be79dd423fcabahrens XAT0_ARCHIVE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_immutable == 0) ? 0 :
fa9e4066f08beec538e775443c5be79dd423fcabahrens XAT0_IMMUTABLE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
fa9e4066f08beec538e775443c5be79dd423fcabahrens *attrs |= (xoap->xoa_nounlink == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_NOUNLINK;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_appendonly == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_APPENDONLY;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin *attrs |= (xoap->xoa_opaque == 0) ? 0 :
af2c4821c0a23e873f2a63bca4145080aa2183e3maybee XAT0_APPENDONLY;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
104e2ed78d9ef0a0f89f320108b8ca29ca3850d5perrin *attrs |= (xoap->xoa_nodump == 0) ? 0 :
c25056de36a33f2a76f79dcf64593f731d258013gw XAT0_NODUMP;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 :
4929fd5ef3f018b490359eb4a2d95d22152325fbTim Haley XAT0_AV_QUARANTINED;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_av_modified == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_AV_MODIFIED;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime);
4e9583b23260dab68308b306795694143381ab0fTom Erickson if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ);
4e9583b23260dab68308b306795694143381ab0fTom Erickson if (XVA_ISSET_REQ(xvap, XAT_REPARSE))
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson *attrs |= (xoap->xoa_reparse == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_REPARSE;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson if (XVA_ISSET_REQ(xvap, XAT_OFFLINE))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_offline == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_OFFLINE;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (XVA_ISSET_REQ(xvap, XAT_SPARSE))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *attrs |= (xoap->xoa_sparse == 0) ? 0 :
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee XAT0_SPARSE;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic void *
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfs_fuid_t *zfuid;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee uint64_t *fuidloc = start;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* First copy in the ACE FUIDs */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee for (zfuid = list_head(&fuidp->z_fuids); zfuid;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfuid = list_next(&fuidp->z_fuids, zfuid)) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *fuidloc++ = zfuid->z_logfuid;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return (fuidloc);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeestatic void *
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeezfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfs_fuid_domain_t *zdomain;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /* now copy in the domain info, if any */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (fuidp->z_domain_str_sz != 0) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum for (zdomain = list_head(&fuidp->z_domains); zdomain;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zdomain = list_next(&fuidp->z_domains, zdomain)) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum bcopy((void *)zdomain->z_domain, start,
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum strlen(zdomain->z_domain) + 1);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum start = (caddr_t)start +
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum strlen(zdomain->z_domain) + 1;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum return (start);
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum}
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum/*
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum * TK_MKXATTR transactions.
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum *
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum * domain information appended prior to the name. In this case the
d98a623207262a85cdeec6cc11efd4fcf11514beMark Shellenbaum * uid/gid in the log record will be a log centric FUID.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * may contain attributes, ACL and optional fuid information.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * and ACL and normal users/groups in the ACEs.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee *
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * There may be an optional xvattr attribute information similar
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * to zfs_log_setattr.
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum *
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Also, after the file name "domain" strings may be appended.
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson */
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksonvoid
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Ericksonzfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp,
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson zfs_fuid_info_t *fuidp, vattr_t *vap)
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson{
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee itx_t *itx;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr_create_t *lr;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr_acl_create_t *lracl;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t aclsize = (vsecp != NULL) ? vsecp->vsa_aclentsz : 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t xvatsize = 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t txsize;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee xvattr_t *xvap = (xvattr_t *)vap;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee void *end;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t lrsize;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t namesize = strlen(name) + 1;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee size_t fuidsz = 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (zil_replaying(zilog, tx))
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee return;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * If we have FUIDs present then add in space for
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * domains and ACE fuid's if any.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (fuidp) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee fuidsz += fuidp->z_domain_str_sz;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vap->va_mask & AT_XVATTR)
4e9583b23260dab68308b306795694143381ab0fTom Erickson xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize);
4e9583b23260dab68308b306795694143381ab0fTom Erickson
4e9583b23260dab68308b306795694143381ab0fTom Erickson if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR ||
4e9583b23260dab68308b306795694143381ab0fTom Erickson (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR ||
4e9583b23260dab68308b306795694143381ab0fTom Erickson (int)txtype == TX_MKXATTR) {
4e9583b23260dab68308b306795694143381ab0fTom Erickson txsize = sizeof (*lr) + namesize + fuidsz + xvatsize;
4e9583b23260dab68308b306795694143381ab0fTom Erickson lrsize = sizeof (*lr);
4e9583b23260dab68308b306795694143381ab0fTom Erickson } else {
4e9583b23260dab68308b306795694143381ab0fTom Erickson txsize =
4e9583b23260dab68308b306795694143381ab0fTom Erickson sizeof (lr_acl_create_t) + namesize + fuidsz +
4e9583b23260dab68308b306795694143381ab0fTom Erickson ZIL_ACE_LENGTH(aclsize) + xvatsize;
4e9583b23260dab68308b306795694143381ab0fTom Erickson lrsize = sizeof (lr_acl_create_t);
4e9583b23260dab68308b306795694143381ab0fTom Erickson }
4e9583b23260dab68308b306795694143381ab0fTom Erickson
4e9583b23260dab68308b306795694143381ab0fTom Erickson itx = zil_itx_create(txtype, txsize);
4e9583b23260dab68308b306795694143381ab0fTom Erickson
4e9583b23260dab68308b306795694143381ab0fTom Erickson lr = (lr_create_t *)&itx->itx_lr;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_doid = dzp->z_id;
c9030f6c93613fe30ee0c16f92b96da7816ac052Alexander Motin lr->lr_foid = zp->z_id;
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens lr->lr_mode = zp->z_mode;
148434217c040ea38dc844384f6ba68d9b325906Matthew Ahrens if (!IS_EPHEMERAL(zp->z_uid)) {
4e9583b23260dab68308b306795694143381ab0fTom Erickson lr->lr_uid = (uint64_t)zp->z_uid;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee } else {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_uid = fuidp->z_fuid_owner;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
4e9583b23260dab68308b306795694143381ab0fTom Erickson if (!IS_EPHEMERAL(zp->z_gid)) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_gid = (uint64_t)zp->z_gid;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee } else {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_gid = fuidp->z_fuid_group;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen,
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee sizeof (uint64_t));
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs),
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_crtime, sizeof (uint64_t) * 2);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
4e9583b23260dab68308b306795694143381ab0fTom Erickson if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zp->z_zfsvfs), &lr->lr_rdev,
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee sizeof (lr->lr_rdev)) != 0)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_rdev = 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Fill in xvattr info if any
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson if (vap->va_mask & AT_XVATTR) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson end = (caddr_t)lr + lrsize + xvatsize;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson } else {
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson end = (caddr_t)lr + lrsize;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson }
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson /* Now fill in any ACL info */
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl = (lr_acl_create_t *)&itx->itx_lr;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson lracl->lr_aclcnt = vsecp->vsa_aclcnt;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl->lr_acl_bytes = aclsize;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS)
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson else
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lracl->lr_acl_flags = 0;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee bcopy(vsecp->vsa_aclentp, end, aclsize);
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson /* drop in FUID info */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee if (fuidp) {
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee end = zfs_log_fuid_ids(fuidp, end);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee end = zfs_log_fuid_domains(fuidp, end);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee }
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee /*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Now place file name in log record
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee bcopy(name, end, namesize);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
a66b2b3504619207b55d222c87bdd9df52832f15Tom Erickson zil_itx_assign(zilog, itx, tx);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee/*
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee * Handles both TX_REMOVE and TX_RMDIR transactions.
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee */
b5fca8f855054d167d04d3b4de5210c83ed2083ctomeevoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *dzp, char *name, uint64_t foid)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_t *itx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_remove_t *lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t namesize = strlen(name) + 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx))
4e9583b23260dab68308b306795694143381ab0fTom Erickson return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr = (lr_remove_t *)&itx->itx_lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_doid = dzp->z_id;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee bcopy(name, (char *)(lr + 1), namesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx->itx_oid = foid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens zil_itx_assign(zilog, itx, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Handles TX_LINK transactions.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *dzp, znode_t *zp, char *name)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_t *itx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_link_t *lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t namesize = strlen(name) + 1;
4e9583b23260dab68308b306795694143381ab0fTom Erickson
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr = (lr_link_t *)&itx->itx_lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_doid = dzp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_link_obj = zp->z_id;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright bcopy(name, (char *)(lr + 1), namesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens zil_itx_assign(zilog, itx, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Handles TX_SYMLINK transactions.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *dzp, znode_t *zp, char *name, char *link)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_t *itx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_create_t *lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t namesize = strlen(name) + 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t linksize = strlen(link) + 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr = (lr_create_t *)&itx->itx_lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_doid = dzp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_foid = zp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_uid = zp->z_uid;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr->lr_gid = zp->z_gid;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr->lr_mode = zp->z_mode;
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen,
fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (uint64_t));
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs),
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_crtime, sizeof (uint64_t) * 2);
fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(name, (char *)(lr + 1), namesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(link, (char *)(lr + 1) + namesize, linksize);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
fa9e4066f08beec538e775443c5be79dd423fcabahrens zil_itx_assign(zilog, itx, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Handles TX_RENAME transactions.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wrightzfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_t *itx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_rename_t *lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t snamesize = strlen(sname) + 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t dnamesize = strlen(dname) + 1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr = (lr_rename_t *)&itx->itx_lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_sdoid = sdzp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_tdoid = tdzp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(sname, (char *)(lr + 1), snamesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize);
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx->itx_oid = szp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens zil_itx_assign(zilog, itx, tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Handles TX_WRITE transactions.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensssize_t zfs_immediate_write_sz = 32768;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid
fa9e4066f08beec538e775443c5be79dd423fcabahrenszfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype,
fa9e4066f08beec538e775443c5be79dd423fcabahrens znode_t *zp, offset_t off, ssize_t resid, int ioflag)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_wr_state_t write_state;
fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t slogging;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t fsync_cnt;
fa9e4066f08beec538e775443c5be79dd423fcabahrens ssize_t immediate_write_sz;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx) || zp->z_unlinked)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright return;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ? 0 : zfs_immediate_write_sz;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright slogging = spa_has_slogs(zilog->zl_spa) &&
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if (resid > immediate_write_sz && !slogging && resid <= zp->z_blksz)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright write_state = WR_INDIRECT;
9e1320c015cea6985d2122bc1d654b79fa479f7aMark Shellenbaum else if (ioflag & (FSYNC | FDSYNC))
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright write_state = WR_COPIED;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright else
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum write_state = WR_NEED_COPY;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) {
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1));
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright }
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright while (resid) {
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright itx_t *itx;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr_write_t *lr;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright ssize_t len;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright /*
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright * If the write would overflow the largest block then split it.
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright */
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA)
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson len = SPA_MAXBLOCKSIZE >> 1;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright else
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright len = resid;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum itx = zil_itx_create(txtype, sizeof (*lr) +
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright (write_state == WR_COPIED ? len : 0));
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr = (lr_write_t *)&itx->itx_lr;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if (write_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os,
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) {
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright zil_itx_destroy(itx);
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum itx = zil_itx_create(txtype, sizeof (*lr));
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum lr = (lr_write_t *)&itx->itx_lr;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum write_state = WR_NEED_COPY;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright }
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright itx->itx_wr_state = write_state;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright if (write_state == WR_NEED_COPY)
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright itx->itx_sod += len;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr->lr_foid = zp->z_id;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr->lr_offset = off;
89459e17032b6bb1d59eebd2b7c0d06859d4657cMark Shellenbaum lr->lr_length = len;
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright lr->lr_blkoff = 0;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum BP_ZERO(&lr->lr_blkptr);
743a77ed89085d3c232c4a2f65ab4e19576839e2Alan Wright
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx->itx_private = zp->z_zfsvfs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens (fsync_cnt == 0))
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks itx->itx_sync = B_FALSE;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks zil_itx_assign(zilog, itx, tx);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks off += len;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks resid -= len;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks }
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks}
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks/*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Handles TX_TRUNCATE transactions.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarksvoid
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarkszfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype,
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks znode_t *zp, uint64_t off, uint64_t len)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks{
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks itx_t *itx;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr_truncate_t *lr;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks if (zil_replaying(zilog, tx) || zp->z_unlinked)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks itx = zil_itx_create(txtype, sizeof (*lr));
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr = (lr_truncate_t *)&itx->itx_lr;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr->lr_foid = zp->z_id;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr->lr_offset = off;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr->lr_length = len;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks itx->itx_sync = (zp->z_sync_cnt != 0);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks zil_itx_assign(zilog, itx, tx);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks}
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks/*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * Handles TX_SETATTR transactions.
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarksvoid
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarkszfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype,
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks{
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks itx_t *itx;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks lr_setattr_t *lr;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks xvattr_t *xvap = (xvattr_t *)vap;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks size_t recsize = sizeof (lr_setattr_t);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks void *start;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks if (zil_replaying(zilog, tx) || zp->z_unlinked)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks return;
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks /*
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * If XVATTR set, then log record size needs to allow
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * for lr_attr_t + xvattr mask, mapsize and create time
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks * plus actual attribute values
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks */
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks if (vap->va_mask & AT_XVATTR)
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize);
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks
72fc53bc90bd3b199d29d03ee68adb4a5a17d35bmarks if (fuidp)
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens recsize += fuidp->z_domain_str_sz;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum itx = zil_itx_create(txtype, recsize);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr = (lr_setattr_t *)&itx->itx_lr;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_foid = zp->z_id;
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee lr->lr_mask = (uint64_t)mask_applied;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr->lr_mode = (uint64_t)vap->va_mode;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid))
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr->lr_uid = fuidp->z_fuid_owner;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum else
6638ae1dc32acc370fecf2c4ce2e588f1183dd6eMark Shellenbaum lr->lr_uid = (uint64_t)vap->va_uid;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid))
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum lr->lr_gid = fuidp->z_fuid_group;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum else
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum lr->lr_gid = (uint64_t)vap->va_gid;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum lr->lr_size = (uint64_t)vap->va_size;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens start = (lr_setattr_t *)(lr + 1);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens if (vap->va_mask & AT_XVATTR) {
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens zfs_log_xvattr((lr_attr_t *)start, xvap);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens }
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens /*
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens * Now stick on domain information if any on end
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens */
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens if (fuidp)
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee (void) zfs_log_fuid_domains(fuidp, start);
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens itx->itx_sync = (zp->z_sync_cnt != 0);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee zil_itx_assign(zilog, itx, tx);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee}
874395d5f8cae2b9cd2d1fcbfcfe963a0c23966dmaybee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum/*
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum * Handles TX_ACL transactions.
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum */
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrensvoid
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrenszfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp,
fa9e4066f08beec538e775443c5be79dd423fcabahrens vsecattr_t *vsecp, zfs_fuid_info_t *fuidp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens itx_t *itx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_acl_v0_t *lrv0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr_acl_t *lr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int txtype;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int lrsize;
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock size_t txsize;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum size_t aclbytes = vsecp->vsa_aclentsz;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zil_replaying(zilog, tx) || zp->z_unlinked)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ?
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum TX_ACL_V0 : TX_ACL;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (txtype == TX_ACL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens lrsize = sizeof (*lr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens else
fa9e4066f08beec538e775443c5be79dd423fcabahrens lrsize = sizeof (*lrv0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee txsize = lrsize +
744947dc83c634d985ed3ad79ac9c5e28d1865fdTom Erickson ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) +
fa9e4066f08beec538e775443c5be79dd423fcabahrens (fuidp ? fuidp->z_domain_str_sz : 0) +
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee itx = zil_itx_create(txtype, txsize);
b5fca8f855054d167d04d3b4de5210c83ed2083ctomee
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum lr = (lr_acl_t *)&itx->itx_lr;
893a6d32980d24be1349478f44169009d4801c25ahrens lr->lr_foid = zp->z_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (txtype == TX_ACL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_acl_bytes = aclbytes;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS)
67bd71c6cc629bab3aa0d595c624a667f1574254perrin lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens else
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr->lr_acl_flags = 0;
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens }
4ccbb6e737373468bb9dc1709618384cce4c9f92ahrens lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (txtype == TX_ACL_V0) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum lrv0 = (lr_acl_v0_t *)lr;
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum } else {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum void *start = (ace_t *)(lr + 1);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum bcopy(vsecp->vsa_aclentp, start, aclbytes);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum if (fuidp) {
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum start = zfs_log_fuid_ids(fuidp, start);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum (void) zfs_log_fuid_domains(fuidp, start);
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum }
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum }
f1696b231bb1209e1cea95b7ff29b8c60493daa0Mark Shellenbaum
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum itx->itx_sync = (zp->z_sync_cnt != 0);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum zil_itx_assign(zilog, itx, tx);
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum}
0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum