zfs_replay.c revision 569e6c63191416b7413c148fd5a6194a0b820b2c
a4544a5a0e622ef69e38641f87ab1b5685e05911Phill Cunnington/*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * CDDL HEADER START
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * The contents of this file are subject to the terms of the
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Common Development and Distribution License (the "License").
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * You may not use this file except in compliance with the License.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * or http://www.opensolaris.org/os/licensing.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * See the License for the specific language governing permissions
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * and limitations under the License.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * When distributing Covered Code, include this CDDL HEADER in each
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * If applicable, add the following below this CDDL HEADER, with the
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * fields enclosed by brackets "[]" replaced with your own identifying
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * information: Portions Copyright [yyyy] [name of copyright owner]
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * CDDL HEADER END
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster/*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Use is subject to license terms.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#pragma ident "%Z%%M% %I% %E% SMI"
c64331fa7c7a38e49ed3b4194ccdffd41af0ff02Peter Major
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <sys/types.h>
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <sys/param.h>
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <sys/systm.h>
6c56bf78246f18c9c14c17ef3ed65065ce178ffdTom Rumsey#include <sys/sysmacros.h>
6c56bf78246f18c9c14c17ef3ed65065ce178ffdTom Rumsey#include <sys/cmn_err.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/kmem.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/thread.h>
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey#include <sys/file.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/fcntl.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/vfs.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/fs/zfs.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/zfs_znode.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/zfs_dir.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/zfs_acl.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/zfs_fuid.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/spa.h>
32b36b012d0b3ab28eecb13555b3925237c2c5a9Peter Major#include <sys/zil.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/byteorder.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/stat.h>
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott#include <sys/mode.h>
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden#include <sys/acl.h>
c64331fa7c7a38e49ed3b4194ccdffd41af0ff02Peter Major#include <sys/atomic.h>
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott#include <sys/cred.h>
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster/*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Functions to replay ZFS intent log (ZIL) records
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * The functions are called through a function vector (zfs_replay_vector)
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey * which is indexed by the transaction type.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic void
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterzfs_init_vattr(vattr_t *vap, uint64_t mask, uint64_t mode,
1d407e39b7d8f68d9a2b1e178f35fab037d9835aRobert Wapshott uint64_t uid, uint64_t gid, uint64_t rdev, uint64_t nodeid)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bzero(vap, sizeof (*vap));
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster vap->va_mask = (uint_t)mask;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster vap->va_type = IFTOVT(mode);
c64331fa7c7a38e49ed3b4194ccdffd41af0ff02Peter Major vap->va_mode = mode & MODEMASK;
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott vap->va_uid = (uid_t)(IS_EPHEMERAL(uid)) ? -1 : uid;
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott vap->va_gid = (gid_t)(IS_EPHEMERAL(gid)) ? -1 : gid;
26304a2a091af368cfc16c977bcce6d17195360aTom Rumsey vap->va_rdev = zfs_cmpldev(rdev);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster vap->va_nodeid = nodeid;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster/* ARGSUSED */
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshottstatic int
1d407e39b7d8f68d9a2b1e178f35fab037d9835aRobert Wapshottzfs_replay_error(zfsvfs_t *zfsvfs, lr_t *lr, boolean_t byteswap)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey return (ENOTSUP);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey}
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseystatic void
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseyzfs_replay_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xoptattr_t *xoap = NULL;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t *attrs;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t *crtime;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint32_t *bitmap;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey void *scanstamp;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey int i;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvap->xva_vattr.va_mask |= AT_XVATTR;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if ((xoap = xva_getxoptattr(xvap)) == NULL) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvap->xva_vattr.va_mask &= ~AT_XVATTR; /* shouldn't happen */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey return;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ASSERT(lrattr->lr_attr_masksize == xvap->xva_mapsize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey bitmap = &lrattr->lr_attr_bitmap;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey for (i = 0; i != lrattr->lr_attr_masksize; i++, bitmap++)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvap->xva_reqattrmap[i] = *bitmap;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott attrs = (uint64_t *)(lrattr + lrattr->lr_attr_masksize - 1);
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott crtime = attrs + 1;
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott scanstamp = (caddr_t)(crtime + 2);
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey xoap->xoa_hidden = ((*attrs & XAT0_HIDDEN) != 0);
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster xoap->xoa_system = ((*attrs & XAT0_SYSTEM) != 0);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott xoap->xoa_archive = ((*attrs & XAT0_ARCHIVE) != 0);
7ea769c9edcf1a585b7e3b0b532f790efed64b21David Luna if (XVA_ISSET_REQ(xvap, XAT_READONLY))
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott xoap->xoa_readonly = ((*attrs & XAT0_READONLY) != 0);
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell xoap->xoa_immutable = ((*attrs & XAT0_IMMUTABLE) != 0);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott xoap->xoa_nounlink = ((*attrs & XAT0_NOUNLINK) != 0);
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott xoap->xoa_appendonly = ((*attrs & XAT0_APPENDONLY) != 0);
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey xoap->xoa_nodump = ((*attrs & XAT0_NODUMP) != 0);
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster xoap->xoa_opaque = ((*attrs & XAT0_OPAQUE) != 0);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott xoap->xoa_av_modified = ((*attrs & XAT0_AV_MODIFIED) != 0);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott xoap->xoa_av_quarantined =
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott ((*attrs & XAT0_AV_QUARANTINED) != 0);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott ZFS_TIME_DECODE(&xoap->xoa_createtime, crtime);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott bcopy(scanstamp, xoap->xoa_av_scanstamp, AV_SCANSTAMP_SZ);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott}
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshottstatic int
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshottzfs_replay_domain_cnt(uint64_t uid, uint64_t gid)
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott{
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott uint64_t uid_idx;
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden uint64_t gid_idx;
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden int domcnt = 0;
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott uid_idx = FUID_INDEX(uid);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott gid_idx = FUID_INDEX(gid);
c6c8bcf74a1e796c167156af1cc1a5d95c67aceaRobert Wapshott if (uid_idx)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey domcnt++;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell if (gid_idx > 0 && gid_idx != uid_idx)
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell domcnt++;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell return (domcnt);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell}
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
786bac66d599daf6355e45e64da84c846a857552Craig McDonnellstatic void *
be367fb48c4c5a05214aab48aea9f09703b63a97Craig McDonnellzfs_replay_fuid_domain_common(zfs_fuid_info_t *fuid_infop, void *start,
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int domcnt)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int i;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell for (i = 0; i != domcnt; i++) {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster fuid_infop->z_domain_table[i] = start;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster start = (caddr_t)start + strlen(start) + 1;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell return (start);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell}
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell/*
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell * Set the uid/gid in the fuid_info structure.
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic void
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterzfs_replay_fuid_ugid(zfs_fuid_info_t *fuid_infop, uint64_t uid, uint64_t gid)
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell{
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster /*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * If owner or group are log specific FUIDs then slurp up
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell * domain information and build zfs_fuid_info_t
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell if (IS_EPHEMERAL(uid))
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuid_infop->z_fuid_owner = uid;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell if (IS_EPHEMERAL(gid))
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell fuid_infop->z_fuid_group = gid;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell}
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell/*
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell * Load fuid domains into fuid_info_t
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell */
786bac66d599daf6355e45e64da84c846a857552Craig McDonnellstatic zfs_fuid_info_t *
786bac66d599daf6355e45e64da84c846a857552Craig McDonnellzfs_replay_fuid_domain(void *buf, void **end, uint64_t uid, uint64_t gid)
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell{
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell int domcnt;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfs_fuid_info_t *fuid_infop;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell fuid_infop = zfs_fuid_info_alloc();
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell domcnt = zfs_replay_domain_cnt(uid, gid);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (domcnt == 0)
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell return (fuid_infop);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell fuid_infop->z_domain_table =
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfs_replay_fuid_ugid(fuid_infop, uid, gid);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell fuid_infop->z_domain_cnt = domcnt;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell *end = zfs_replay_fuid_domain_common(fuid_infop, buf, domcnt);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return (fuid_infop);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell}
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell/*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * load zfs_fuid_t's and fuid_domains into fuid_info_t
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic zfs_fuid_info_t *
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseyzfs_replay_fuids(void *start, void **end, int idcnt, int domcnt, uint64_t uid,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t gid)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t *log_fuid = (uint64_t *)start;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_fuid_info_t *fuid_infop;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey int i;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuid_infop = zfs_fuid_info_alloc();
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuid_infop->z_domain_cnt = domcnt;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuid_infop->z_domain_table =
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster kmem_zalloc(domcnt * sizeof (char **), KM_SLEEP);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (i = 0; i != idcnt; i++) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_fuid_t *zfuid;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster zfuid = kmem_alloc(sizeof (zfs_fuid_t), KM_SLEEP);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfuid->z_logfuid = *log_fuid;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfuid->z_id = -1;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfuid->z_domidx = 0;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell list_insert_tail(&fuid_infop->z_fuids, zfuid);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell log_fuid++;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell }
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell zfs_replay_fuid_ugid(fuid_infop, uid, gid);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell *end = zfs_replay_fuid_domain_common(fuid_infop, log_fuid, domcnt);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell return (fuid_infop);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell}
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic void
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterzfs_replay_swap_attrs(lr_attr_t *lrattr)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /* swap the lr_attr structure */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey byteswap_uint32_array(lrattr, sizeof (*lrattr));
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster /* swap the bitmap */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey byteswap_uint32_array(lrattr + 1, (lrattr->lr_attr_masksize - 1) *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster sizeof (uint32_t));
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster /* swap the attributes, create time + 64 bit word for attributes */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster byteswap_uint64_array((caddr_t)(lrattr + 1) + (sizeof (uint32_t) *
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (lrattr->lr_attr_masksize - 1)), 3 * sizeof (uint64_t));
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey}
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey/*
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey * Replay file create with optional ACL, xvattr information as well
c5b669842423d36fc543ddd3ea318bbae4231ecfTom Rumsey * as option FUID information.
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey */
786bac66d599daf6355e45e64da84c846a857552Craig McDonnellstatic int
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseyzfs_replay_create_acl(zfsvfs_t *zfsvfs,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr_acl_create_t *lracl, boolean_t byteswap)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford char *name = NULL; /* location determined later */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr_create_t *lr = (lr_create_t *)lracl;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey znode_t *dzp;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vnode_t *vp = NULL;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvattr_t xva;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey int vflg = 0;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsecattr_t vsec = { 0 };
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster lr_attr_t *lrattr;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey void *aclstart;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey void *fuidstart;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey size_t xvatlen = 0;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t txtype;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey int error;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (byteswap) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey byteswap_uint64_array(lracl, sizeof (*lracl));
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey txtype = (int)lr->lr_common.lrc_txtype;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (txtype == TX_CREATE_ACL_ATTR ||
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey txtype == TX_MKDIR_ACL_ATTR) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_swap_attrs(lrattr);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey aclstart = (caddr_t)(lracl + 1) + xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_ace_byteswap(aclstart, lracl->lr_acl_bytes, B_FALSE);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /* swap fuids */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (lracl->lr_fuidcnt) {
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell byteswap_uint64_array((caddr_t)aclstart +
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZIL_ACE_LENGTH(lracl->lr_acl_bytes),
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lracl->lr_fuidcnt * sizeof (uint64_t));
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey return (error);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xva_init(&xva);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_init_vattr(&xva.xva_vattr, AT_TYPE | AT_MODE | AT_UID | AT_GID,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid);
8a888dac872ea5d7dd9ce4a0739c4065d544f275Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /*
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey * All forms of zfs create (create, mkdir, mkxattrdir, symlink)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey * eventually end up in zfs_mknode(), which assigns the object's
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey * creation time and generation number. The generic VOP_CREATE()
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey * doesn't have either concept, so we smuggle the values inside
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford * the vattr's otherwise unused va_ctime and va_nblocks fields.
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xva.xva_vattr.va_nblocks = lr->lr_gen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
8a888dac872ea5d7dd9ce4a0739c4065d544f275Tom Rumsey error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (error != ENOENT)
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden goto bail;
8a888dac872ea5d7dd9ce4a0739c4065d544f275Tom Rumsey
8a888dac872ea5d7dd9ce4a0739c4065d544f275Tom Rumsey if (lr->lr_common.lrc_txtype & TX_CI)
8a888dac872ea5d7dd9ce4a0739c4065d544f275Tom Rumsey vflg |= FIGNORECASE;
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey switch ((int)lr->lr_common.lrc_txtype) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_CREATE_ACL:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey aclstart = (caddr_t)(lracl + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuidstart = (caddr_t)aclstart +
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /*FALLTHROUGH*/
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_CREATE_ACL_ATTR:
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey if (name == NULL) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xva.xva_vattr.va_mask |= AT_XVATTR;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_xvattr(lrattr, &xva);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclcnt = lracl->lr_aclcnt;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclentsz = lracl->lr_acl_bytes;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclflags = lracl->lr_acl_flags;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (zfsvfs->z_fuid_replay == NULL)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster fuidstart = (caddr_t)(lracl + 1) + xvatlen +
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay =
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_fuids(fuidstart,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey error = VOP_CREATE(ZTOV(dzp), name, &xva.xva_vattr,
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey 0, 0, &vp, kcred, vflg, NULL, &vsec);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey break;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_MKDIR_ACL:
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster aclstart = (caddr_t)(lracl + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuidstart = (caddr_t)aclstart +
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /*FALLTHROUGH*/
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_MKDIR_ACL_ATTR:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (name == NULL) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
6309b849c2de831a0eaed9c27b5794bed9bd8fd1Neil Madden xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_xvattr(lrattr, &xva);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vsec.vsa_aclcnt = lracl->lr_aclcnt;
32b36b012d0b3ab28eecb13555b3925237c2c5a9Peter Major vsec.vsa_aclentsz = lracl->lr_acl_bytes;
c64331fa7c7a38e49ed3b4194ccdffd41af0ff02Peter Major vsec.vsa_aclflags = lracl->lr_acl_flags;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell if (zfsvfs->z_fuid_replay == NULL)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey fuidstart = (caddr_t)(lracl + 1) + xvatlen +
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay =
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_fuids(fuidstart,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey error = VOP_MKDIR(ZTOV(dzp), name, &xva.xva_vattr,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey &vp, kcred, NULL, vflg, &vsec);
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey break;
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey default:
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey error = ENOTSUP;
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey }
bf2a56fd7e5b3bb37378e87e32829a01402d27f0Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseybail:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (error == 0 && vp != NULL)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey VN_RELE(vp);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey VN_RELE(ZTOV(dzp));
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_fuid_info_free(zfsvfs->z_fuid_replay);
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey zfsvfs->z_fuid_replay = NULL;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey return (error);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey}
fc8409d20f991d53ac0c4708efa04c121b73c449Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseystatic int
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumseyzfs_replay_create(zfsvfs_t *zfsvfs, lr_create_t *lr, boolean_t byteswap)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey{
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey char *name = NULL; /* location determined later */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey char *link; /* symlink content follows name */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey znode_t *dzp;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey vnode_t *vp = NULL;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvattr_t xva;
a90aba9cbcbb8e7fe95e45590d853959efe0d354Tom Rumsey int vflg = 0;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey size_t lrsize = sizeof (lr_create_t);
95cd88252d8ce7d506cf8b1dccdc4d531de5dab6Tom Rumsey lr_attr_t *lrattr;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey void *start;
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell size_t xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey uint64_t txtype;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int error;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (byteswap) {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster byteswap_uint64_array(lr, sizeof (*lr));
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster txtype = (int)lr->lr_common.lrc_txtype;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (txtype == TX_CREATE_ATTR || txtype == TX_MKDIR_ATTR)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford }
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford return (error);
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford xva_init(&xva);
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford zfs_init_vattr(&xva.xva_vattr, AT_TYPE | AT_MODE | AT_UID | AT_GID,
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, lr->lr_foid);
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford
d552ef9965b495ec6fa5f89b12ad638ad4cc87f4Tony Bamford /*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * All forms of zfs create (create, mkdir, mkxattrdir, symlink)
4e28a378d7cafffd7988c4c3783c820db42ffb9dAndrew Forrest * eventually end up in zfs_mknode(), which assigns the object's
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * creation time and generation number. The generic VOP_CREATE()
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * doesn't have either concept, so we smuggle the values inside
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell * the vattr's otherwise unused va_ctime and va_nblocks fields.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster xva.xva_vattr.va_nblocks = lr->lr_gen;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
35ab1c5bca11317474fe12bdd8d22c17cdaf2697Robert Wapshott error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
786bac66d599daf6355e45e64da84c846a857552Craig McDonnell if (error != ENOENT)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster goto out;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (lr->lr_common.lrc_txtype & TX_CI)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster vflg |= FIGNORECASE;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster /*
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Symlinks don't have fuid info, and CIFS never creates
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * symlinks.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * The _ATTR versions will grab the fuid info in their subcases.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK &&
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR &&
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey (int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey start = (lr + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay =
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_fuid_domain(start, &start,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey }
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey switch ((int)lr->lr_common.lrc_txtype) {
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_CREATE_ATTR:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey start = (caddr_t)(lr + 1) + xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay =
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_fuid_domain(start, &start,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey name = (char *)start;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /*FALLTHROUGH*/
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_CREATE:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (name == NULL)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey name = (char *)start;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey error = VOP_CREATE(ZTOV(dzp), name, &xva.xva_vattr,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey 0, 0, &vp, kcred, vflg, NULL, NULL);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey break;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_MKDIR_ATTR:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey start = (caddr_t)(lr + 1) + xvatlen;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfsvfs->z_fuid_replay =
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey zfs_replay_fuid_domain(start, &start,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey lr->lr_uid, lr->lr_gid);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey name = (char *)start;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey /*FALLTHROUGH*/
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_MKDIR:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey if (name == NULL)
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey name = (char *)(lr + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey error = VOP_MKDIR(ZTOV(dzp), name, &xva.xva_vattr,
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey &vp, kcred, NULL, vflg, NULL);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey break;
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey case TX_MKXATTR:
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey name = (char *)(lr + 1);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey error = zfs_make_xattrdir(dzp, &xva.xva_vattr, &vp, kcred);
a19a421277791c670d5a4ebcd6d7af7de159d271Tom Rumsey break;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster case TX_SYMLINK:
name = (char *)(lr + 1);
link = name + strlen(name) + 1;
error = VOP_SYMLINK(ZTOV(dzp), name, &xva.xva_vattr,
link, kcred, NULL, vflg);
break;
default:
error = ENOTSUP;
}
out:
if (error == 0 && vp != NULL)
VN_RELE(vp);
VN_RELE(ZTOV(dzp));
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
return (error);
}
static int
zfs_replay_remove(zfsvfs_t *zfsvfs, lr_remove_t *lr, boolean_t byteswap)
{
char *name = (char *)(lr + 1); /* name follows lr_remove_t */
znode_t *dzp;
int error;
int vflg = 0;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
switch ((int)lr->lr_common.lrc_txtype) {
case TX_REMOVE:
error = VOP_REMOVE(ZTOV(dzp), name, kcred, NULL, vflg);
break;
case TX_RMDIR:
error = VOP_RMDIR(ZTOV(dzp), name, NULL, kcred, NULL, vflg);
break;
default:
error = ENOTSUP;
}
VN_RELE(ZTOV(dzp));
return (error);
}
static int
zfs_replay_link(zfsvfs_t *zfsvfs, lr_link_t *lr, boolean_t byteswap)
{
char *name = (char *)(lr + 1); /* name follows lr_link_t */
znode_t *dzp, *zp;
int error;
int vflg = 0;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
return (error);
if ((error = zfs_zget(zfsvfs, lr->lr_link_obj, &zp)) != 0) {
VN_RELE(ZTOV(dzp));
return (error);
}
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
error = VOP_LINK(ZTOV(dzp), ZTOV(zp), name, kcred, NULL, vflg);
VN_RELE(ZTOV(zp));
VN_RELE(ZTOV(dzp));
return (error);
}
static int
zfs_replay_rename(zfsvfs_t *zfsvfs, lr_rename_t *lr, boolean_t byteswap)
{
char *sname = (char *)(lr + 1); /* sname and tname follow lr_rename_t */
char *tname = sname + strlen(sname) + 1;
znode_t *sdzp, *tdzp;
int error;
int vflg = 0;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_sdoid, &sdzp)) != 0)
return (error);
if ((error = zfs_zget(zfsvfs, lr->lr_tdoid, &tdzp)) != 0) {
VN_RELE(ZTOV(sdzp));
return (error);
}
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
error = VOP_RENAME(ZTOV(sdzp), sname, ZTOV(tdzp), tname, kcred,
NULL, vflg);
VN_RELE(ZTOV(tdzp));
VN_RELE(ZTOV(sdzp));
return (error);
}
static int
zfs_replay_write(zfsvfs_t *zfsvfs, lr_write_t *lr, boolean_t byteswap)
{
char *data = (char *)(lr + 1); /* data follows lr_write_t */
znode_t *zp;
int error;
ssize_t resid;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log writes out of order, it's possible the
* file has been removed. In this case just drop the write
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
error = vn_rdwr(UIO_WRITE, ZTOV(zp), data, lr->lr_length,
lr->lr_offset, UIO_SYSSPACE, 0, RLIM64_INFINITY, kcred, &resid);
VN_RELE(ZTOV(zp));
return (error);
}
static int
zfs_replay_truncate(zfsvfs_t *zfsvfs, lr_truncate_t *lr, boolean_t byteswap)
{
znode_t *zp;
flock64_t fl;
int error;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log truncates out of order, it's possible the
* file has been removed. In this case just drop the truncate
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
bzero(&fl, sizeof (fl));
fl.l_type = F_WRLCK;
fl.l_whence = 0;
fl.l_start = lr->lr_offset;
fl.l_len = lr->lr_length;
error = VOP_SPACE(ZTOV(zp), F_FREESP, &fl, FWRITE | FOFFMAX,
lr->lr_offset, kcred, NULL);
VN_RELE(ZTOV(zp));
return (error);
}
static int
zfs_replay_setattr(zfsvfs_t *zfsvfs, lr_setattr_t *lr, boolean_t byteswap)
{
znode_t *zp;
xvattr_t xva;
vattr_t *vap = &xva.xva_vattr;
int error;
void *start;
xva_init(&xva);
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
if ((lr->lr_mask & AT_XVATTR) &&
zfsvfs->z_version >= ZPL_VERSION_INITIAL)
zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log setattrs out of order, it's possible the
* file has been removed. In this case just drop the setattr
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
zfs_init_vattr(vap, lr->lr_mask, lr->lr_mode,
lr->lr_uid, lr->lr_gid, 0, lr->lr_foid);
vap->va_size = lr->lr_size;
ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime);
ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime);
/*
* Fill in xvattr_t portions if necessary.
*/
start = (lr_setattr_t *)(lr + 1);
if (vap->va_mask & AT_XVATTR) {
zfs_replay_xvattr((lr_attr_t *)start, &xva);
start = (caddr_t)start +
ZIL_XVAT_SIZE(((lr_attr_t *)start)->lr_attr_masksize);
} else
xva.xva_vattr.va_mask &= ~AT_XVATTR;
zfsvfs->z_fuid_replay = zfs_replay_fuid_domain(start, &start,
lr->lr_uid, lr->lr_gid);
error = VOP_SETATTR(ZTOV(zp), vap, 0, kcred, NULL);
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
VN_RELE(ZTOV(zp));
return (error);
}
static int
zfs_replay_acl_v0(zfsvfs_t *zfsvfs, lr_acl_v0_t *lr, boolean_t byteswap)
{
ace_t *ace = (ace_t *)(lr + 1); /* ace array follows lr_acl_t */
vsecattr_t vsa;
znode_t *zp;
int error;
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
zfs_oldace_byteswap(ace, lr->lr_aclcnt);
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log acls out of order, it's possible the
* file has been removed. In this case just drop the acl
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
bzero(&vsa, sizeof (vsa));
vsa.vsa_mask = VSA_ACE | VSA_ACECNT;
vsa.vsa_aclcnt = lr->lr_aclcnt;
vsa.vsa_aclentp = ace;
error = VOP_SETSECATTR(ZTOV(zp), &vsa, 0, kcred, NULL);
VN_RELE(ZTOV(zp));
return (error);
}
/*
* Replaying ACLs is complicated by FUID support.
* The log record may contain some optional data
* to be used for replaying FUID's. These pieces
* are the actual FUIDs that were created initially.
* The FUID table index may no longer be valid and
* during zfs_create() a new index may be assigned.
* Because of this the log will contain the original
* doman+rid in order to create a new FUID.
*
* The individual ACEs may contain an ephemeral uid/gid which is no
* longer valid and will need to be replaced with an actual FUID.
*
*/
static int
zfs_replay_acl(zfsvfs_t *zfsvfs, lr_acl_t *lr, boolean_t byteswap)
{
ace_t *ace = (ace_t *)(lr + 1);
vsecattr_t vsa;
znode_t *zp;
int error;
if (byteswap) {
byteswap_uint64_array(lr, sizeof (*lr));
zfs_ace_byteswap(ace, lr->lr_acl_bytes, B_FALSE);
if (lr->lr_fuidcnt) {
byteswap_uint64_array((caddr_t)ace +
ZIL_ACE_LENGTH(lr->lr_acl_bytes),
lr->lr_fuidcnt * sizeof (uint64_t));
}
}
if ((error = zfs_zget(zfsvfs, lr->lr_foid, &zp)) != 0) {
/*
* As we can log acls out of order, it's possible the
* file has been removed. In this case just drop the acl
* and return success.
*/
if (error == ENOENT)
error = 0;
return (error);
}
bzero(&vsa, sizeof (vsa));
vsa.vsa_mask = VSA_ACE | VSA_ACECNT | VSA_ACE_ACLFLAGS;
vsa.vsa_aclcnt = lr->lr_aclcnt;
vsa.vsa_aclentp = ace;
vsa.vsa_aclentsz = lr->lr_acl_bytes;
vsa.vsa_aclflags = lr->lr_acl_flags;
if (lr->lr_fuidcnt) {
void *fuidstart = (caddr_t)ace +
ZIL_ACE_LENGTH(lr->lr_acl_bytes);
zfsvfs->z_fuid_replay =
zfs_replay_fuids(fuidstart, &fuidstart,
lr->lr_fuidcnt, lr->lr_domcnt, 0, 0);
}
error = VOP_SETSECATTR(ZTOV(zp), &vsa, 0, kcred, NULL);
if (zfsvfs->z_fuid_replay)
zfs_fuid_info_free(zfsvfs->z_fuid_replay);
zfsvfs->z_fuid_replay = NULL;
VN_RELE(ZTOV(zp));
return (error);
}
/*
* Callback vectors for replaying records
*/
zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE] = {
zfs_replay_error, /* 0 no such transaction type */
zfs_replay_create, /* TX_CREATE */
zfs_replay_create, /* TX_MKDIR */
zfs_replay_create, /* TX_MKXATTR */
zfs_replay_create, /* TX_SYMLINK */
zfs_replay_remove, /* TX_REMOVE */
zfs_replay_remove, /* TX_RMDIR */
zfs_replay_link, /* TX_LINK */
zfs_replay_rename, /* TX_RENAME */
zfs_replay_write, /* TX_WRITE */
zfs_replay_truncate, /* TX_TRUNCATE */
zfs_replay_setattr, /* TX_SETATTR */
zfs_replay_acl_v0, /* TX_ACL_V0 */
zfs_replay_acl, /* TX_ACL */
zfs_replay_create_acl, /* TX_CREATE_ACL */
zfs_replay_create, /* TX_CREATE_ATTR */
zfs_replay_create_acl, /* TX_CREATE_ACL_ATTR */
zfs_replay_create_acl, /* TX_MKDIR_ACL */
zfs_replay_create, /* TX_MKDIR_ATTR */
zfs_replay_create_acl, /* TX_MKDIR_ACL_ATTR */
};