diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c | 679 |
1 files changed, 679 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c new file mode 100644 index 0000000..3029f7d --- /dev/null +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c @@ -0,0 +1,679 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/sysmacros.h> +#include <sys/cmn_err.h> +#include <sys/kmem.h> +#include <sys/file.h> +#include <sys/vfs.h> +#include <sys/zfs_znode.h> +#include <sys/zfs_dir.h> +#include <sys/zil.h> +#include <sys/zil_impl.h> +#include <sys/byteorder.h> +#include <sys/policy.h> +#include <sys/stat.h> +#include <sys/acl.h> +#include <sys/dmu.h> +#include <sys/spa.h> +#include <sys/zfs_fuid.h> +#include <sys/dsl_dataset.h> + +/* + * These zfs_log_* functions must be called within a dmu tx, in one + * of 2 contexts depending on zilog->z_replay: + * + * Non replay mode + * --------------- + * We need to record the transaction so that if it is committed to + * the Intent Log then it can be replayed. An intent log transaction + * structure (itx_t) is allocated and all the information necessary to + * possibly replay the transaction is saved in it. The itx is then assigned + * a sequence number and inserted in the in-memory list anchored in the zilog. + * + * Replay mode + * ----------- + * We need to mark the intent log record as replayed in the log header. + * This is done in the same transaction as the replay so that they + * commit atomically. + */ + +int +zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap) +{ + int isxvattr = (vap->va_mask & AT_XVATTR); + switch (type) { + case Z_FILE: + if (vsecp == NULL && !isxvattr) + return (TX_CREATE); + if (vsecp && isxvattr) +#ifdef TODO + return (TX_CREATE_ACL_ATTR); +#else + panic("%s:%u: unsupported condition", __func__, __LINE__); +#endif + if (vsecp) + return (TX_CREATE_ACL); + else + return (TX_CREATE_ATTR); + /*NOTREACHED*/ + case Z_DIR: + if (vsecp == NULL && !isxvattr) + return (TX_MKDIR); + if (vsecp && isxvattr) +#ifdef TODO + return (TX_MKDIR_ACL_ATTR); +#else + panic("%s:%u: unsupported condition", __func__, __LINE__); +#endif + if (vsecp) + return (TX_MKDIR_ACL); + else + return (TX_MKDIR_ATTR); + case Z_XATTRDIR: + return (TX_MKXATTR); + } + ASSERT(0); + return (TX_MAX_TYPE); +} + +/* + * build up the log data necessary for logging xvattr_t + * First lr_attr_t is initialized. following the lr_attr_t + * is the mapsize and attribute bitmap copied from the xvattr_t. + * Following the bitmap and bitmapsize two 64 bit words are reserved + * for the create time which may be set. Following the create time + * records a single 64 bit integer which has the bits to set on + * replay for the xvattr. + */ +static void +zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) +{ + uint32_t *bitmap; + uint64_t *attrs; + uint64_t *crtime; + xoptattr_t *xoap; + void *scanstamp; + int i; + + xoap = xva_getxoptattr(xvap); + ASSERT(xoap); + + lrattr->lr_attr_masksize = xvap->xva_mapsize; + bitmap = &lrattr->lr_attr_bitmap; + for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) { + *bitmap = xvap->xva_reqattrmap[i]; + } + + /* Now pack the attributes up in a single uint64_t */ + attrs = (uint64_t *)bitmap; + crtime = attrs + 1; + scanstamp = (caddr_t)(crtime + 2); + *attrs = 0; + if (XVA_ISSET_REQ(xvap, XAT_READONLY)) + *attrs |= (xoap->xoa_readonly == 0) ? 0 : + XAT0_READONLY; + if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) + *attrs |= (xoap->xoa_hidden == 0) ? 0 : + XAT0_HIDDEN; + if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) + *attrs |= (xoap->xoa_system == 0) ? 0 : + XAT0_SYSTEM; + if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) + *attrs |= (xoap->xoa_archive == 0) ? 0 : + XAT0_ARCHIVE; + if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) + *attrs |= (xoap->xoa_immutable == 0) ? 0 : + XAT0_IMMUTABLE; + if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) + *attrs |= (xoap->xoa_nounlink == 0) ? 0 : + XAT0_NOUNLINK; + if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) + *attrs |= (xoap->xoa_appendonly == 0) ? 0 : + XAT0_APPENDONLY; + if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) + *attrs |= (xoap->xoa_opaque == 0) ? 0 : + XAT0_APPENDONLY; + if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) + *attrs |= (xoap->xoa_nodump == 0) ? 0 : + XAT0_NODUMP; + if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) + *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 : + XAT0_AV_QUARANTINED; + if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) + *attrs |= (xoap->xoa_av_modified == 0) ? 0 : + XAT0_AV_MODIFIED; + if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) + ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime); + if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) + bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ); + if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) + *attrs |= (xoap->xoa_reparse == 0) ? 0 : + XAT0_REPARSE; + if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) + *attrs |= (xoap->xoa_offline == 0) ? 0 : + XAT0_OFFLINE; + if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) + *attrs |= (xoap->xoa_sparse == 0) ? 0 : + XAT0_SPARSE; +} + +static void * +zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start) +{ + zfs_fuid_t *zfuid; + uint64_t *fuidloc = start; + + /* First copy in the ACE FUIDs */ + for (zfuid = list_head(&fuidp->z_fuids); zfuid; + zfuid = list_next(&fuidp->z_fuids, zfuid)) { + *fuidloc++ = zfuid->z_logfuid; + } + return (fuidloc); +} + + +static void * +zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start) +{ + zfs_fuid_domain_t *zdomain; + + /* now copy in the domain info, if any */ + if (fuidp->z_domain_str_sz != 0) { + for (zdomain = list_head(&fuidp->z_domains); zdomain; + zdomain = list_next(&fuidp->z_domains, zdomain)) { + bcopy((void *)zdomain->z_domain, start, + strlen(zdomain->z_domain) + 1); + start = (caddr_t)start + + strlen(zdomain->z_domain) + 1; + } + } + return (start); +} + +/* + * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and + * TK_MKXATTR transactions. + * + * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID + * domain information appended prior to the name. In this case the + * uid/gid in the log record will be a log centric FUID. + * + * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that + * may contain attributes, ACL and optional fuid information. + * + * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify + * and ACL and normal users/groups in the ACEs. + * + * There may be an optional xvattr attribute information similar + * to zfs_log_setattr. + * + * Also, after the file name "domain" strings may be appended. + */ +void +zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp, + zfs_fuid_info_t *fuidp, vattr_t *vap) +{ + itx_t *itx; + lr_create_t *lr; + lr_acl_create_t *lracl; + size_t aclsize = (vsecp != NULL) ? vsecp->vsa_aclentsz : 0; + size_t xvatsize = 0; + size_t txsize; + xvattr_t *xvap = (xvattr_t *)vap; + void *end; + size_t lrsize; + size_t namesize = strlen(name) + 1; + size_t fuidsz = 0; + + if (zil_replaying(zilog, tx)) + return; + + /* + * If we have FUIDs present then add in space for + * domains and ACE fuid's if any. + */ + if (fuidp) { + fuidsz += fuidp->z_domain_str_sz; + fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t); + } + + if (vap->va_mask & AT_XVATTR) + xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize); + + if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR || + (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR || + (int)txtype == TX_MKXATTR) { + txsize = sizeof (*lr) + namesize + fuidsz + xvatsize; + lrsize = sizeof (*lr); + } else { + txsize = + sizeof (lr_acl_create_t) + namesize + fuidsz + + ZIL_ACE_LENGTH(aclsize) + xvatsize; + lrsize = sizeof (lr_acl_create_t); + } + + itx = zil_itx_create(txtype, txsize); + + lr = (lr_create_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_foid = zp->z_id; + lr->lr_mode = zp->z_mode; + if (!IS_EPHEMERAL(zp->z_uid)) { + lr->lr_uid = (uint64_t)zp->z_uid; + } else { + lr->lr_uid = fuidp->z_fuid_owner; + } + if (!IS_EPHEMERAL(zp->z_gid)) { + lr->lr_gid = (uint64_t)zp->z_gid; + } else { + lr->lr_gid = fuidp->z_fuid_group; + } + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, + sizeof (uint64_t)); + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), + lr->lr_crtime, sizeof (uint64_t) * 2); + + if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zp->z_zfsvfs), &lr->lr_rdev, + sizeof (lr->lr_rdev)) != 0) + lr->lr_rdev = 0; + + /* + * Fill in xvattr info if any + */ + if (vap->va_mask & AT_XVATTR) { + zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap); + end = (caddr_t)lr + lrsize + xvatsize; + } else { + end = (caddr_t)lr + lrsize; + } + + /* Now fill in any ACL info */ + + if (vsecp) { + lracl = (lr_acl_create_t *)&itx->itx_lr; + lracl->lr_aclcnt = vsecp->vsa_aclcnt; + lracl->lr_acl_bytes = aclsize; + lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; + lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; + if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS) + lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; + else + lracl->lr_acl_flags = 0; + + bcopy(vsecp->vsa_aclentp, end, aclsize); + end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize); + } + + /* drop in FUID info */ + if (fuidp) { + end = zfs_log_fuid_ids(fuidp, end); + end = zfs_log_fuid_domains(fuidp, end); + } + /* + * Now place file name in log record + */ + bcopy(name, end, namesize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles both TX_REMOVE and TX_RMDIR transactions. + */ +void +zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, char *name, uint64_t foid) +{ + itx_t *itx; + lr_remove_t *lr; + size_t namesize = strlen(name) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize); + lr = (lr_remove_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + bcopy(name, (char *)(lr + 1), namesize); + + itx->itx_oid = foid; + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_LINK transactions. + */ +void +zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name) +{ + itx_t *itx; + lr_link_t *lr; + size_t namesize = strlen(name) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize); + lr = (lr_link_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_link_obj = zp->z_id; + bcopy(name, (char *)(lr + 1), namesize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_SYMLINK transactions. + */ +void +zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *dzp, znode_t *zp, char *name, char *link) +{ + itx_t *itx; + lr_create_t *lr; + size_t namesize = strlen(name) + 1; + size_t linksize = strlen(link) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize); + lr = (lr_create_t *)&itx->itx_lr; + lr->lr_doid = dzp->z_id; + lr->lr_foid = zp->z_id; + lr->lr_uid = zp->z_uid; + lr->lr_gid = zp->z_gid; + lr->lr_mode = zp->z_mode; + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, + sizeof (uint64_t)); + (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), + lr->lr_crtime, sizeof (uint64_t) * 2); + bcopy(name, (char *)(lr + 1), namesize); + bcopy(link, (char *)(lr + 1) + namesize, linksize); + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_RENAME transactions. + */ +void +zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, + znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp) +{ + itx_t *itx; + lr_rename_t *lr; + size_t snamesize = strlen(sname) + 1; + size_t dnamesize = strlen(dname) + 1; + + if (zil_replaying(zilog, tx)) + return; + + itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize); + lr = (lr_rename_t *)&itx->itx_lr; + lr->lr_sdoid = sdzp->z_id; + lr->lr_tdoid = tdzp->z_id; + bcopy(sname, (char *)(lr + 1), snamesize); + bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize); + itx->itx_oid = szp->z_id; + + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_WRITE transactions. + */ +ssize_t zfs_immediate_write_sz = 32768; + +void +zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, offset_t off, ssize_t resid, int ioflag) +{ + itx_wr_state_t write_state; + boolean_t slogging; + uintptr_t fsync_cnt; + ssize_t immediate_write_sz; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) + ? 0 : zfs_immediate_write_sz; + + slogging = spa_has_slogs(zilog->zl_spa) && + (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY); + if (resid > immediate_write_sz && !slogging && resid <= zp->z_blksz) + write_state = WR_INDIRECT; + else if (ioflag & (FSYNC | FDSYNC)) + write_state = WR_COPIED; + else + write_state = WR_NEED_COPY; + + if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) { + (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1)); + } + + while (resid) { + itx_t *itx; + lr_write_t *lr; + ssize_t len; + + /* + * If the write would overflow the largest block then split it. + */ + if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA) + len = SPA_MAXBLOCKSIZE >> 1; + else + len = resid; + + itx = zil_itx_create(txtype, sizeof (*lr) + + (write_state == WR_COPIED ? len : 0)); + lr = (lr_write_t *)&itx->itx_lr; + if (write_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os, + zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) { + zil_itx_destroy(itx); + itx = zil_itx_create(txtype, sizeof (*lr)); + lr = (lr_write_t *)&itx->itx_lr; + write_state = WR_NEED_COPY; + } + + itx->itx_wr_state = write_state; + if (write_state == WR_NEED_COPY) + itx->itx_sod += len; + lr->lr_foid = zp->z_id; + lr->lr_offset = off; + lr->lr_length = len; + lr->lr_blkoff = 0; + BP_ZERO(&lr->lr_blkptr); + + itx->itx_private = zp->z_zfsvfs; + + if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) && + (fsync_cnt == 0)) + itx->itx_sync = B_FALSE; + + zil_itx_assign(zilog, itx, tx); + + off += len; + resid -= len; + } +} + +/* + * Handles TX_TRUNCATE transactions. + */ +void +zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, uint64_t off, uint64_t len) +{ + itx_t *itx; + lr_truncate_t *lr; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + itx = zil_itx_create(txtype, sizeof (*lr)); + lr = (lr_truncate_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + lr->lr_offset = off; + lr->lr_length = len; + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_SETATTR transactions. + */ +void +zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, + znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp) +{ + itx_t *itx; + lr_setattr_t *lr; + xvattr_t *xvap = (xvattr_t *)vap; + size_t recsize = sizeof (lr_setattr_t); + void *start; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + /* + * If XVATTR set, then log record size needs to allow + * for lr_attr_t + xvattr mask, mapsize and create time + * plus actual attribute values + */ + if (vap->va_mask & AT_XVATTR) + recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize); + + if (fuidp) + recsize += fuidp->z_domain_str_sz; + + itx = zil_itx_create(txtype, recsize); + lr = (lr_setattr_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + lr->lr_mask = (uint64_t)mask_applied; + lr->lr_mode = (uint64_t)vap->va_mode; + if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid)) + lr->lr_uid = fuidp->z_fuid_owner; + else + lr->lr_uid = (uint64_t)vap->va_uid; + + if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid)) + lr->lr_gid = fuidp->z_fuid_group; + else + lr->lr_gid = (uint64_t)vap->va_gid; + + lr->lr_size = (uint64_t)vap->va_size; + ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime); + ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime); + start = (lr_setattr_t *)(lr + 1); + if (vap->va_mask & AT_XVATTR) { + zfs_log_xvattr((lr_attr_t *)start, xvap); + start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize); + } + + /* + * Now stick on domain information if any on end + */ + + if (fuidp) + (void) zfs_log_fuid_domains(fuidp, start); + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} + +/* + * Handles TX_ACL transactions. + */ +void +zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, + vsecattr_t *vsecp, zfs_fuid_info_t *fuidp) +{ + itx_t *itx; + lr_acl_v0_t *lrv0; + lr_acl_t *lr; + int txtype; + int lrsize; + size_t txsize; + size_t aclbytes = vsecp->vsa_aclentsz; + + if (zil_replaying(zilog, tx) || zp->z_unlinked) + return; + + txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ? + TX_ACL_V0 : TX_ACL; + + if (txtype == TX_ACL) + lrsize = sizeof (*lr); + else + lrsize = sizeof (*lrv0); + + txsize = lrsize + + ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) + + (fuidp ? fuidp->z_domain_str_sz : 0) + + sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0); + + itx = zil_itx_create(txtype, txsize); + + lr = (lr_acl_t *)&itx->itx_lr; + lr->lr_foid = zp->z_id; + if (txtype == TX_ACL) { + lr->lr_acl_bytes = aclbytes; + lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; + lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; + if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) + lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; + else + lr->lr_acl_flags = 0; + } + lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt; + + if (txtype == TX_ACL_V0) { + lrv0 = (lr_acl_v0_t *)lr; + bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes); + } else { + void *start = (ace_t *)(lr + 1); + + bcopy(vsecp->vsa_aclentp, start, aclbytes); + + start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes); + + if (fuidp) { + start = zfs_log_fuid_ids(fuidp, start); + (void) zfs_log_fuid_domains(fuidp, start); + } + } + + itx->itx_sync = (zp->z_sync_cnt != 0); + zil_itx_assign(zilog, itx, tx); +} |
