Date: Wed, 18 Jul 2012 10:51:11 +0000 (UTC) From: Martin Matuska <mm@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r238590 - in vendor-sys/illumos/dist: common/zfs uts/common/fs/zfs uts/common/fs/zfs/sys uts/common/sys uts/common/sys/fs Message-ID: <201207181051.q6IApBGk062334@svn.freebsd.org>
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Author: mm Date: Wed Jul 18 10:51:11 2012 New Revision: 238590 URL: http://svn.freebsd.org/changeset/base/238590 Log: Update vendor-sys/illumos/dist to illumos-gate 13752:9f5f6c52ba19 Obtained from: ssh://anonhg@hg.illumos.org/illumos-gate Modified: vendor-sys/illumos/dist/common/zfs/zfs_comutil.c vendor-sys/illumos/dist/common/zfs/zfs_comutil.h vendor-sys/illumos/dist/common/zfs/zprop_common.c vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_objset.c vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_send.c vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dataset.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_deleg.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dir.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_prop.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_scan.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_synctask.c vendor-sys/illumos/dist/uts/common/fs/zfs/rrwlock.c vendor-sys/illumos/dist/uts/common/fs/zfs/spa.c vendor-sys/illumos/dist/uts/common/fs/zfs/spa_history.c vendor-sys/illumos/dist/uts/common/fs/zfs/sys/dmu.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/dmu_objset.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/dsl_dataset.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/dsl_deleg.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/dsl_prop.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/rrwlock.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/spa.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zfs_ioctl.h vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ctldir.c vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_ioctl.c vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_vfsops.c vendor-sys/illumos/dist/uts/common/fs/zfs/zvol.c vendor-sys/illumos/dist/uts/common/sys/feature_tests.h vendor-sys/illumos/dist/uts/common/sys/fs/zfs.h Modified: vendor-sys/illumos/dist/common/zfs/zfs_comutil.c ============================================================================== --- vendor-sys/illumos/dist/common/zfs/zfs_comutil.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/common/zfs/zfs_comutil.c Wed Jul 18 10:51:11 2012 (r238590) @@ -20,6 +20,7 @@ */ /* * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ /* @@ -157,7 +158,11 @@ zfs_spa_version_map(int zpl_version) return (version); } -const char *zfs_history_event_names[LOG_END] = { +/* + * This is the table of legacy internal event names; it should not be modified. + * The internal events are now stored in the history log as strings. + */ +const char *zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS] = { "invalid event", "pool create", "vdev add", Modified: vendor-sys/illumos/dist/common/zfs/zfs_comutil.h ============================================================================== --- vendor-sys/illumos/dist/common/zfs/zfs_comutil.h Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/common/zfs/zfs_comutil.h Wed Jul 18 10:51:11 2012 (r238590) @@ -20,6 +20,7 @@ */ /* * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ #ifndef _ZFS_COMUTIL_H @@ -37,7 +38,8 @@ extern void zpool_get_rewind_policy(nvli extern int zfs_zpl_version_map(int spa_version); extern int zfs_spa_version_map(int zpl_version); -extern const char *zfs_history_event_names[LOG_END]; +#define ZFS_NUM_LEGACY_HISTORY_EVENTS 41 +extern const char *zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS]; #ifdef __cplusplus } Modified: vendor-sys/illumos/dist/common/zfs/zprop_common.c ============================================================================== --- vendor-sys/illumos/dist/common/zfs/zprop_common.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/common/zfs/zprop_common.c Wed Jul 18 10:51:11 2012 (r238590) @@ -22,6 +22,9 @@ * Copyright 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ +/* + * Copyright (c) 2012 by Delphix. All rights reserved. + */ /* * Common routines used by zfs and zpool property management. @@ -129,7 +132,8 @@ zprop_register_hidden(int prop, const ch zprop_attr_t attr, int objset_types, const char *colname) { zprop_register_impl(prop, name, type, 0, NULL, attr, - objset_types, NULL, colname, B_FALSE, B_FALSE, NULL); + objset_types, NULL, colname, + type == PROP_TYPE_NUMBER, B_FALSE, NULL); } Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_objset.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_objset.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_objset.c Wed Jul 18 10:51:11 2012 (r238590) @@ -20,6 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012 by Delphix. All rights reserved. */ /* Portions Copyright 2010 Robert Milkowski */ @@ -699,30 +700,33 @@ dmu_objset_create_sync(void *arg1, void spa_t *spa = dd->dd_pool->dp_spa; struct oscarg *oa = arg2; uint64_t obj; + dsl_dataset_t *ds; + blkptr_t *bp; ASSERT(dmu_tx_is_syncing(tx)); obj = dsl_dataset_create_sync(dd, oa->lastname, oa->clone_origin, oa->flags, oa->cr, tx); - if (oa->clone_origin == NULL) { - dsl_pool_t *dp = dd->dd_pool; - dsl_dataset_t *ds; - blkptr_t *bp; - objset_t *os; - - VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, obj, FTAG, &ds)); - bp = dsl_dataset_get_blkptr(ds); - ASSERT(BP_IS_HOLE(bp)); - - os = dmu_objset_create_impl(spa, ds, bp, oa->type, tx); + VERIFY3U(0, ==, dsl_dataset_hold_obj(dd->dd_pool, obj, FTAG, &ds)); + bp = dsl_dataset_get_blkptr(ds); + if (BP_IS_HOLE(bp)) { + objset_t *os = + dmu_objset_create_impl(spa, ds, bp, oa->type, tx); if (oa->userfunc) oa->userfunc(os, oa->userarg, oa->cr, tx); - dsl_dataset_rele(ds, FTAG); } - spa_history_log_internal(LOG_DS_CREATE, spa, tx, "dataset = %llu", obj); + if (oa->clone_origin == NULL) { + spa_history_log_internal_ds(ds, "create", tx, ""); + } else { + char namebuf[MAXNAMELEN]; + dsl_dataset_name(oa->clone_origin, namebuf); + spa_history_log_internal_ds(ds, "clone", tx, + "origin=%s (%llu)", namebuf, oa->clone_origin->ds_object); + } + dsl_dataset_rele(ds, FTAG); } int @@ -799,34 +803,40 @@ dmu_objset_destroy(const char *name, boo return (error); } -struct snaparg { - dsl_sync_task_group_t *dstg; - char *snapname; - char *htag; - char failed[MAXPATHLEN]; - boolean_t recursive; - boolean_t needsuspend; - boolean_t temporary; - nvlist_t *props; - struct dsl_ds_holdarg *ha; /* only needed in the temporary case */ - dsl_dataset_t *newds; -}; +typedef struct snapallarg { + dsl_sync_task_group_t *saa_dstg; + boolean_t saa_needsuspend; + nvlist_t *saa_props; + + /* the following are used only if 'temporary' is set: */ + boolean_t saa_temporary; + const char *saa_htag; + struct dsl_ds_holdarg *saa_ha; + dsl_dataset_t *saa_newds; +} snapallarg_t; + +typedef struct snaponearg { + const char *soa_longname; /* long snap name */ + const char *soa_snapname; /* short snap name */ + snapallarg_t *soa_saa; +} snaponearg_t; static int snapshot_check(void *arg1, void *arg2, dmu_tx_t *tx) { objset_t *os = arg1; - struct snaparg *sn = arg2; + snaponearg_t *soa = arg2; + snapallarg_t *saa = soa->soa_saa; int error; /* The props have already been checked by zfs_check_userprops(). */ error = dsl_dataset_snapshot_check(os->os_dsl_dataset, - sn->snapname, tx); + soa->soa_snapname, tx); if (error) return (error); - if (sn->temporary) { + if (saa->saa_temporary) { /* * Ideally we would just call * dsl_dataset_user_hold_check() and @@ -844,12 +854,13 @@ snapshot_check(void *arg1, void *arg2, d * Not checking number of tags because the tag will be * unique, as it will be the only tag. */ - if (strlen(sn->htag) + MAX_TAG_PREFIX_LEN >= MAXNAMELEN) + if (strlen(saa->saa_htag) + MAX_TAG_PREFIX_LEN >= MAXNAMELEN) return (E2BIG); - sn->ha = kmem_alloc(sizeof (struct dsl_ds_holdarg), KM_SLEEP); - sn->ha->temphold = B_TRUE; - sn->ha->htag = sn->htag; + saa->saa_ha = kmem_alloc(sizeof (struct dsl_ds_holdarg), + KM_SLEEP); + saa->saa_ha->temphold = B_TRUE; + saa->saa_ha->htag = saa->saa_htag; } return (error); } @@ -859,24 +870,25 @@ snapshot_sync(void *arg1, void *arg2, dm { objset_t *os = arg1; dsl_dataset_t *ds = os->os_dsl_dataset; - struct snaparg *sn = arg2; + snaponearg_t *soa = arg2; + snapallarg_t *saa = soa->soa_saa; - dsl_dataset_snapshot_sync(ds, sn->snapname, tx); + dsl_dataset_snapshot_sync(ds, soa->soa_snapname, tx); - if (sn->props) { + if (saa->saa_props != NULL) { dsl_props_arg_t pa; - pa.pa_props = sn->props; + pa.pa_props = saa->saa_props; pa.pa_source = ZPROP_SRC_LOCAL; dsl_props_set_sync(ds->ds_prev, &pa, tx); } - if (sn->temporary) { + if (saa->saa_temporary) { struct dsl_ds_destroyarg da; - dsl_dataset_user_hold_sync(ds->ds_prev, sn->ha, tx); - kmem_free(sn->ha, sizeof (struct dsl_ds_holdarg)); - sn->ha = NULL; - sn->newds = ds->ds_prev; + dsl_dataset_user_hold_sync(ds->ds_prev, saa->saa_ha, tx); + kmem_free(saa->saa_ha, sizeof (struct dsl_ds_holdarg)); + saa->saa_ha = NULL; + saa->saa_newds = ds->ds_prev; da.ds = ds->ds_prev; da.defer = B_TRUE; @@ -885,131 +897,180 @@ snapshot_sync(void *arg1, void *arg2, dm } static int -dmu_objset_snapshot_one(const char *name, void *arg) +snapshot_one_impl(const char *snapname, void *arg) { - struct snaparg *sn = arg; + char fsname[MAXPATHLEN]; + snapallarg_t *saa = arg; + snaponearg_t *soa; objset_t *os; int err; - char *cp; - /* - * If the objset starts with a '%', then ignore it unless it was - * explicitly named (ie, not recursive). These hidden datasets - * are always inconsistent, and by not opening them here, we can - * avoid a race with dsl_dir_destroy_check(). - */ - cp = strrchr(name, '/'); - if (cp && cp[1] == '%' && sn->recursive) - return (0); - - (void) strcpy(sn->failed, name); - - /* - * Check permissions if we are doing a recursive snapshot. The - * permission checks for the starting dataset have already been - * performed in zfs_secpolicy_snapshot() - */ - if (sn->recursive && (err = zfs_secpolicy_snapshot_perms(name, CRED()))) - return (err); + (void) strlcpy(fsname, snapname, sizeof (fsname)); + strchr(fsname, '@')[0] = '\0'; - err = dmu_objset_hold(name, sn, &os); + err = dmu_objset_hold(fsname, saa, &os); if (err != 0) return (err); /* * If the objset is in an inconsistent state (eg, in the process - * of being destroyed), don't snapshot it. As with %hidden - * datasets, we return EBUSY if this name was explicitly - * requested (ie, not recursive), and otherwise ignore it. + * of being destroyed), don't snapshot it. */ if (os->os_dsl_dataset->ds_phys->ds_flags & DS_FLAG_INCONSISTENT) { - dmu_objset_rele(os, sn); - return (sn->recursive ? 0 : EBUSY); + dmu_objset_rele(os, saa); + return (EBUSY); } - if (sn->needsuspend) { + if (saa->saa_needsuspend) { err = zil_suspend(dmu_objset_zil(os)); if (err) { - dmu_objset_rele(os, sn); + dmu_objset_rele(os, saa); return (err); } } - dsl_sync_task_create(sn->dstg, snapshot_check, snapshot_sync, - os, sn, 3); + + soa = kmem_zalloc(sizeof (*soa), KM_SLEEP); + soa->soa_saa = saa; + soa->soa_longname = snapname; + soa->soa_snapname = strchr(snapname, '@') + 1; + + dsl_sync_task_create(saa->saa_dstg, snapshot_check, snapshot_sync, + os, soa, 3); return (0); } +/* + * The snapshots must all be in the same pool. + */ int -dmu_objset_snapshot(char *fsname, char *snapname, char *tag, - nvlist_t *props, boolean_t recursive, boolean_t temporary, int cleanup_fd) +dmu_objset_snapshot(nvlist_t *snaps, nvlist_t *props, nvlist_t *errors) { dsl_sync_task_t *dst; - struct snaparg sn; + snapallarg_t saa = { 0 }; spa_t *spa; - minor_t minor; + int rv = 0; int err; + nvpair_t *pair; - (void) strcpy(sn.failed, fsname); + pair = nvlist_next_nvpair(snaps, NULL); + if (pair == NULL) + return (0); - err = spa_open(fsname, &spa, FTAG); + err = spa_open(nvpair_name(pair), &spa, FTAG); if (err) return (err); - - if (temporary) { - if (cleanup_fd < 0) { - spa_close(spa, FTAG); - return (EINVAL); + saa.saa_dstg = dsl_sync_task_group_create(spa_get_dsl(spa)); + saa.saa_props = props; + saa.saa_needsuspend = (spa_version(spa) < SPA_VERSION_FAST_SNAP); + + for (pair = nvlist_next_nvpair(snaps, NULL); pair != NULL; + pair = nvlist_next_nvpair(snaps, pair)) { + err = snapshot_one_impl(nvpair_name(pair), &saa); + if (err != 0) { + if (errors != NULL) { + fnvlist_add_int32(errors, + nvpair_name(pair), err); + } + rv = err; } - if ((err = zfs_onexit_fd_hold(cleanup_fd, &minor)) != 0) { - spa_close(spa, FTAG); - return (err); + } + + /* + * If any call to snapshot_one_impl() failed, don't execute the + * sync task. The error handling code below will clean up the + * snaponearg_t from any successful calls to + * snapshot_one_impl(). + */ + if (rv == 0) + err = dsl_sync_task_group_wait(saa.saa_dstg); + if (err != 0) + rv = err; + + for (dst = list_head(&saa.saa_dstg->dstg_tasks); dst; + dst = list_next(&saa.saa_dstg->dstg_tasks, dst)) { + objset_t *os = dst->dst_arg1; + snaponearg_t *soa = dst->dst_arg2; + if (dst->dst_err != 0) { + if (errors != NULL) { + fnvlist_add_int32(errors, + soa->soa_longname, dst->dst_err); + } + rv = dst->dst_err; } + + if (saa.saa_needsuspend) + zil_resume(dmu_objset_zil(os)); + dmu_objset_rele(os, &saa); + kmem_free(soa, sizeof (*soa)); } - sn.dstg = dsl_sync_task_group_create(spa_get_dsl(spa)); - sn.snapname = snapname; - sn.htag = tag; - sn.props = props; - sn.recursive = recursive; - sn.needsuspend = (spa_version(spa) < SPA_VERSION_FAST_SNAP); - sn.temporary = temporary; - sn.ha = NULL; - sn.newds = NULL; - - if (recursive) { - err = dmu_objset_find(fsname, - dmu_objset_snapshot_one, &sn, DS_FIND_CHILDREN); - } else { - err = dmu_objset_snapshot_one(fsname, &sn); + dsl_sync_task_group_destroy(saa.saa_dstg); + spa_close(spa, FTAG); + return (rv); +} + +int +dmu_objset_snapshot_one(const char *fsname, const char *snapname) +{ + int err; + char *longsnap = kmem_asprintf("%s@%s", fsname, snapname); + nvlist_t *snaps = fnvlist_alloc(); + + fnvlist_add_boolean(snaps, longsnap); + err = dmu_objset_snapshot(snaps, NULL, NULL); + fnvlist_free(snaps); + strfree(longsnap); + return (err); +} + +int +dmu_objset_snapshot_tmp(const char *snapname, const char *tag, int cleanup_fd) +{ + dsl_sync_task_t *dst; + snapallarg_t saa = { 0 }; + spa_t *spa; + minor_t minor; + int err; + + err = spa_open(snapname, &spa, FTAG); + if (err) + return (err); + saa.saa_dstg = dsl_sync_task_group_create(spa_get_dsl(spa)); + saa.saa_htag = tag; + saa.saa_needsuspend = (spa_version(spa) < SPA_VERSION_FAST_SNAP); + saa.saa_temporary = B_TRUE; + + if (cleanup_fd < 0) { + spa_close(spa, FTAG); + return (EINVAL); + } + if ((err = zfs_onexit_fd_hold(cleanup_fd, &minor)) != 0) { + spa_close(spa, FTAG); + return (err); } + err = snapshot_one_impl(snapname, &saa); + if (err == 0) - err = dsl_sync_task_group_wait(sn.dstg); + err = dsl_sync_task_group_wait(saa.saa_dstg); - for (dst = list_head(&sn.dstg->dstg_tasks); dst; - dst = list_next(&sn.dstg->dstg_tasks, dst)) { + for (dst = list_head(&saa.saa_dstg->dstg_tasks); dst; + dst = list_next(&saa.saa_dstg->dstg_tasks, dst)) { objset_t *os = dst->dst_arg1; - dsl_dataset_t *ds = os->os_dsl_dataset; - if (dst->dst_err) { - dsl_dataset_name(ds, sn.failed); - } else if (temporary) { - dsl_register_onexit_hold_cleanup(sn.newds, tag, minor); - } - if (sn.needsuspend) + dsl_register_onexit_hold_cleanup(saa.saa_newds, tag, minor); + if (saa.saa_needsuspend) zil_resume(dmu_objset_zil(os)); - dmu_objset_rele(os, &sn); + dmu_objset_rele(os, &saa); } - if (err) - (void) strcpy(fsname, sn.failed); - if (temporary) - zfs_onexit_fd_rele(cleanup_fd); - dsl_sync_task_group_destroy(sn.dstg); + zfs_onexit_fd_rele(cleanup_fd); + dsl_sync_task_group_destroy(saa.saa_dstg); spa_close(spa, FTAG); return (err); } + static void dmu_objset_sync_dnodes(list_t *list, list_t *newlist, dmu_tx_t *tx) { Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_send.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_send.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_send.c Wed Jul 18 10:51:11 2012 (r238590) @@ -387,9 +387,48 @@ backup_cb(spa_t *spa, zilog_t *zilog, co return (err); } +/* + * Return TRUE if 'earlier' is an earlier snapshot in 'later's timeline. + * For example, they could both be snapshots of the same filesystem, and + * 'earlier' is before 'later'. Or 'earlier' could be the origin of + * 'later's filesystem. Or 'earlier' could be an older snapshot in the origin's + * filesystem. Or 'earlier' could be the origin's origin. + */ +static boolean_t +is_before(dsl_dataset_t *later, dsl_dataset_t *earlier) +{ + dsl_pool_t *dp = later->ds_dir->dd_pool; + int error; + boolean_t ret; + dsl_dataset_t *origin; + + if (earlier->ds_phys->ds_creation_txg >= + later->ds_phys->ds_creation_txg) + return (B_FALSE); + + if (later->ds_dir == earlier->ds_dir) + return (B_TRUE); + if (!dsl_dir_is_clone(later->ds_dir)) + return (B_FALSE); + + rw_enter(&dp->dp_config_rwlock, RW_READER); + if (later->ds_dir->dd_phys->dd_origin_obj == earlier->ds_object) { + rw_exit(&dp->dp_config_rwlock); + return (B_TRUE); + } + error = dsl_dataset_hold_obj(dp, + later->ds_dir->dd_phys->dd_origin_obj, FTAG, &origin); + rw_exit(&dp->dp_config_rwlock); + if (error != 0) + return (B_FALSE); + ret = is_before(origin, earlier); + dsl_dataset_rele(origin, FTAG); + return (ret); +} + int -dmu_send(objset_t *tosnap, objset_t *fromsnap, boolean_t fromorigin, - int outfd, vnode_t *vp, offset_t *off) +dmu_send(objset_t *tosnap, objset_t *fromsnap, int outfd, vnode_t *vp, + offset_t *off) { dsl_dataset_t *ds = tosnap->os_dsl_dataset; dsl_dataset_t *fromds = fromsnap ? fromsnap->os_dsl_dataset : NULL; @@ -402,30 +441,13 @@ dmu_send(objset_t *tosnap, objset_t *fro if (ds->ds_phys->ds_next_snap_obj == 0) return (EINVAL); - /* fromsnap must be an earlier snapshot from the same fs as tosnap */ - if (fromds && (ds->ds_dir != fromds->ds_dir || - fromds->ds_phys->ds_creation_txg >= ds->ds_phys->ds_creation_txg)) + /* + * fromsnap must be an earlier snapshot from the same fs as tosnap, + * or the origin's fs. + */ + if (fromds != NULL && !is_before(ds, fromds)) return (EXDEV); - if (fromorigin) { - dsl_pool_t *dp = ds->ds_dir->dd_pool; - - if (fromsnap) - return (EINVAL); - - if (dsl_dir_is_clone(ds->ds_dir)) { - rw_enter(&dp->dp_config_rwlock, RW_READER); - err = dsl_dataset_hold_obj(dp, - ds->ds_dir->dd_phys->dd_origin_obj, FTAG, &fromds); - rw_exit(&dp->dp_config_rwlock); - if (err) - return (err); - } else { - fromorigin = B_FALSE; - } - } - - drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP); drr->drr_type = DRR_BEGIN; drr->drr_u.drr_begin.drr_magic = DMU_BACKUP_MAGIC; @@ -450,7 +472,7 @@ dmu_send(objset_t *tosnap, objset_t *fro drr->drr_u.drr_begin.drr_creation_time = ds->ds_phys->ds_creation_time; drr->drr_u.drr_begin.drr_type = tosnap->os_phys->os_type; - if (fromorigin) + if (fromds != NULL && ds->ds_dir != fromds->ds_dir) drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_CLONE; drr->drr_u.drr_begin.drr_toguid = ds->ds_phys->ds_guid; if (ds->ds_phys->ds_flags & DS_FLAG_CI_DATASET) @@ -462,8 +484,6 @@ dmu_send(objset_t *tosnap, objset_t *fro if (fromds) fromtxg = fromds->ds_phys->ds_creation_txg; - if (fromorigin) - dsl_dataset_rele(fromds, FTAG); dsp = kmem_zalloc(sizeof (dmu_sendarg_t), KM_SLEEP); @@ -521,8 +541,7 @@ out: } int -dmu_send_estimate(objset_t *tosnap, objset_t *fromsnap, boolean_t fromorigin, - uint64_t *sizep) +dmu_send_estimate(objset_t *tosnap, objset_t *fromsnap, uint64_t *sizep) { dsl_dataset_t *ds = tosnap->os_dsl_dataset; dsl_dataset_t *fromds = fromsnap ? fromsnap->os_dsl_dataset : NULL; @@ -534,27 +553,13 @@ dmu_send_estimate(objset_t *tosnap, objs if (ds->ds_phys->ds_next_snap_obj == 0) return (EINVAL); - /* fromsnap must be an earlier snapshot from the same fs as tosnap */ - if (fromds && (ds->ds_dir != fromds->ds_dir || - fromds->ds_phys->ds_creation_txg >= ds->ds_phys->ds_creation_txg)) + /* + * fromsnap must be an earlier snapshot from the same fs as tosnap, + * or the origin's fs. + */ + if (fromds != NULL && !is_before(ds, fromds)) return (EXDEV); - if (fromorigin) { - if (fromsnap) - return (EINVAL); - - if (dsl_dir_is_clone(ds->ds_dir)) { - rw_enter(&dp->dp_config_rwlock, RW_READER); - err = dsl_dataset_hold_obj(dp, - ds->ds_dir->dd_phys->dd_origin_obj, FTAG, &fromds); - rw_exit(&dp->dp_config_rwlock); - if (err) - return (err); - } else { - fromorigin = B_FALSE; - } - } - /* Get uncompressed size estimate of changed data. */ if (fromds == NULL) { size = ds->ds_phys->ds_uncompressed_bytes; @@ -562,8 +567,6 @@ dmu_send_estimate(objset_t *tosnap, objs uint64_t used, comp; err = dsl_dataset_space_written(fromds, ds, &used, &comp, &size); - if (fromorigin) - dsl_dataset_rele(fromds, FTAG); if (err) return (err); } @@ -662,8 +665,7 @@ recv_new_sync(void *arg1, void *arg2, dm rbsa->ds, &rbsa->ds->ds_phys->ds_bp, rbsa->type, tx); } - spa_history_log_internal(LOG_DS_REPLAY_FULL_SYNC, - dd->dd_pool->dp_spa, tx, "dataset = %lld", dsobj); + spa_history_log_internal_ds(rbsa->ds, "receive new", tx, ""); } /* ARGSUSED */ @@ -764,8 +766,7 @@ recv_existing_sync(void *arg1, void *arg rbsa->ds = cds; - spa_history_log_internal(LOG_DS_REPLAY_INC_SYNC, - dp->dp_spa, tx, "dataset = %lld", dsobj); + spa_history_log_internal_ds(cds, "receive over existing", tx, ""); } static boolean_t @@ -1573,6 +1574,7 @@ recv_end_sync(void *arg1, void *arg2, dm dmu_buf_will_dirty(ds->ds_dbuf, tx); ds->ds_phys->ds_flags &= ~DS_FLAG_INCONSISTENT; + spa_history_log_internal_ds(ds, "finished receiving", tx, ""); } static int Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c Wed Jul 18 10:51:11 2012 (r238590) @@ -48,7 +48,7 @@ dmu_tx_create_dd(dsl_dir_t *dd) { dmu_tx_t *tx = kmem_zalloc(sizeof (dmu_tx_t), KM_SLEEP); tx->tx_dir = dd; - if (dd) + if (dd != NULL) tx->tx_pool = dd->dd_pool; list_create(&tx->tx_holds, sizeof (dmu_tx_hold_t), offsetof(dmu_tx_hold_t, txh_node)); Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dataset.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dataset.c Wed Jul 18 10:46:31 2012 (r238589) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dataset.c Wed Jul 18 10:51:11 2012 (r238590) @@ -914,7 +914,8 @@ dsl_dataset_create_sync(dsl_dir_t *pdd, * The snapshots must all be in the same pool. */ int -dmu_snapshots_destroy_nvl(nvlist_t *snaps, boolean_t defer, char *failed) +dmu_snapshots_destroy_nvl(nvlist_t *snaps, boolean_t defer, + nvlist_t *errlist) { int err; dsl_sync_task_t *dst; @@ -949,7 +950,7 @@ dmu_snapshots_destroy_nvl(nvlist_t *snap } else if (err == ENOENT) { err = 0; } else { - (void) strcpy(failed, nvpair_name(pair)); + fnvlist_add_int32(errlist, nvpair_name(pair), err); break; } } @@ -963,10 +964,12 @@ dmu_snapshots_destroy_nvl(nvlist_t *snap dsl_dataset_t *ds = dsda->ds; /* - * Return the file system name that triggered the error + * Return the snapshots that triggered the error. */ - if (dst->dst_err) { - dsl_dataset_name(ds, failed); + if (dst->dst_err != 0) { + char name[ZFS_MAXNAMELEN]; + dsl_dataset_name(ds, name); + fnvlist_add_int32(errlist, name, dst->dst_err); } ASSERT3P(dsda->rm_origin, ==, NULL); dsl_dataset_disown(ds, dstg); @@ -1045,7 +1048,6 @@ dsl_dataset_destroy(dsl_dataset_t *ds, v dsl_dir_t *dd; uint64_t obj; struct dsl_ds_destroyarg dsda = { 0 }; - dsl_dataset_t dummy_ds = { 0 }; dsda.ds = ds; @@ -1065,8 +1067,6 @@ dsl_dataset_destroy(dsl_dataset_t *ds, v } dd = ds->ds_dir; - dummy_ds.ds_dir = dd; - dummy_ds.ds_object = ds->ds_object; /* * Check for errors and mark this ds as inconsistent, in @@ -1153,7 +1153,7 @@ dsl_dataset_destroy(dsl_dataset_t *ds, v dsl_sync_task_create(dstg, dsl_dataset_destroy_check, dsl_dataset_destroy_sync, &dsda, tag, 0); dsl_sync_task_create(dstg, dsl_dir_destroy_check, - dsl_dir_destroy_sync, &dummy_ds, FTAG, 0); + dsl_dir_destroy_sync, dd, FTAG, 0); err = dsl_sync_task_group_wait(dstg); dsl_sync_task_group_destroy(dstg); @@ -1328,14 +1328,12 @@ static void dsl_dataset_destroy_begin_sync(void *arg1, void *arg2, dmu_tx_t *tx) { dsl_dataset_t *ds = arg1; - dsl_pool_t *dp = ds->ds_dir->dd_pool; /* Mark it as inconsistent on-disk, in case we crash */ dmu_buf_will_dirty(ds->ds_dbuf, tx); ds->ds_phys->ds_flags |= DS_FLAG_INCONSISTENT; - spa_history_log_internal(LOG_DS_DESTROY_BEGIN, dp->dp_spa, tx, - "dataset = %llu", ds->ds_object); + spa_history_log_internal_ds(ds, "destroy begin", tx, ""); } static int @@ -1660,9 +1658,13 @@ dsl_dataset_destroy_sync(void *arg1, voi ASSERT(spa_version(dp->dp_spa) >= SPA_VERSION_USERREFS); dmu_buf_will_dirty(ds->ds_dbuf, tx); ds->ds_phys->ds_flags |= DS_FLAG_DEFER_DESTROY; + spa_history_log_internal_ds(ds, "defer_destroy", tx, ""); return; } + /* We need to log before removing it from the namespace. */ + spa_history_log_internal_ds(ds, "destroy", tx, ""); + /* signal any waiters that this dataset is going away */ mutex_enter(&ds->ds_lock); ds->ds_owner = dsl_reaper; @@ -1957,8 +1959,6 @@ dsl_dataset_destroy_sync(void *arg1, voi dsl_dataset_rele(ds_prev, FTAG); spa_prop_clear_bootfs(dp->dp_spa, ds->ds_object, tx); - spa_history_log_internal(LOG_DS_DESTROY, dp->dp_spa, tx, - "dataset = %llu", ds->ds_object); if (ds->ds_phys->ds_next_clones_obj != 0) { uint64_t count; @@ -2006,7 +2006,7 @@ dsl_dataset_snapshot_reserve_space(dsl_d return (ENOSPC); /* - * Propogate any reserved space for this snapshot to other + * Propagate any reserved space for this snapshot to other * snapshot checks in this sync group. */ if (asize > 0) @@ -2016,10 +2016,9 @@ dsl_dataset_snapshot_reserve_space(dsl_d } int -dsl_dataset_snapshot_check(void *arg1, void *arg2, dmu_tx_t *tx) +dsl_dataset_snapshot_check(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx) { - dsl_dataset_t *ds = arg1; - const char *snapname = arg2; int err; uint64_t value; @@ -2031,7 +2030,7 @@ dsl_dataset_snapshot_check(void *arg1, v return (EAGAIN); /* - * Check for conflicting name snapshot name. + * Check for conflicting snapshot name. */ err = dsl_dataset_snap_lookup(ds, snapname, &value); if (err == 0) @@ -2055,10 +2054,9 @@ dsl_dataset_snapshot_check(void *arg1, v } void -dsl_dataset_snapshot_sync(void *arg1, void *arg2, dmu_tx_t *tx) +dsl_dataset_snapshot_sync(dsl_dataset_t *ds, const char *snapname, + dmu_tx_t *tx) { - dsl_dataset_t *ds = arg1; - const char *snapname = arg2; dsl_pool_t *dp = ds->ds_dir->dd_pool; dmu_buf_t *dbuf; dsl_dataset_phys_t *dsphys; @@ -2164,8 +2162,7 @@ dsl_dataset_snapshot_sync(void *arg1, vo dsl_dir_snap_cmtime_update(ds->ds_dir); - spa_history_log_internal(LOG_DS_SNAPSHOT, dp->dp_spa, tx, - "dataset = %llu", dsobj); + spa_history_log_internal_ds(ds->ds_prev, "snapshot", tx, ""); } void @@ -2252,7 +2249,20 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvl { uint64_t refd, avail, uobjs, aobjs, ratio; - dsl_dir_stats(ds->ds_dir, nv); + ratio = ds->ds_phys->ds_compressed_bytes == 0 ? 100 : + (ds->ds_phys->ds_uncompressed_bytes * 100 / + ds->ds_phys->ds_compressed_bytes); + + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRATIO, ratio); + + if (dsl_dataset_is_snapshot(ds)) { + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, ratio); + dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USED, + ds->ds_phys->ds_unique_bytes); + get_clones_stat(ds, nv); + } else { + dsl_dir_stats(ds->ds_dir, nv); + } dsl_dataset_space(ds, &refd, &avail, &uobjs, &aobjs); dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_AVAILABLE, avail); @@ -2297,22 +2307,6 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvl } } - ratio = ds->ds_phys->ds_compressed_bytes == 0 ? 100 : - (ds->ds_phys->ds_uncompressed_bytes * 100 / - ds->ds_phys->ds_compressed_bytes); - dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRATIO, ratio); - - if (ds->ds_phys->ds_next_snap_obj) { - /* - * This is a snapshot; override the dd's space used with - * our unique space and compression ratio. - */ - dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USED, - ds->ds_phys->ds_unique_bytes); - dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, ratio); - - get_clones_stat(ds, nv); - } } void @@ -2321,27 +2315,25 @@ dsl_dataset_fast_stat(dsl_dataset_t *ds, stat->dds_creation_txg = ds->ds_phys->ds_creation_txg; stat->dds_inconsistent = ds->ds_phys->ds_flags & DS_FLAG_INCONSISTENT; stat->dds_guid = ds->ds_phys->ds_guid; - if (ds->ds_phys->ds_next_snap_obj) { + stat->dds_origin[0] = '\0'; + if (dsl_dataset_is_snapshot(ds)) { stat->dds_is_snapshot = B_TRUE; stat->dds_num_clones = ds->ds_phys->ds_num_children - 1; } else { stat->dds_is_snapshot = B_FALSE; stat->dds_num_clones = 0; - } - - /* clone origin is really a dsl_dir thing... */ - rw_enter(&ds->ds_dir->dd_pool->dp_config_rwlock, RW_READER); - if (dsl_dir_is_clone(ds->ds_dir)) { - dsl_dataset_t *ods; - VERIFY(0 == dsl_dataset_get_ref(ds->ds_dir->dd_pool, - ds->ds_dir->dd_phys->dd_origin_obj, FTAG, &ods)); - dsl_dataset_name(ods, stat->dds_origin); - dsl_dataset_drop_ref(ods, FTAG); - } else { - stat->dds_origin[0] = '\0'; + rw_enter(&ds->ds_dir->dd_pool->dp_config_rwlock, RW_READER); + if (dsl_dir_is_clone(ds->ds_dir)) { + dsl_dataset_t *ods; + + VERIFY(0 == dsl_dataset_get_ref(ds->ds_dir->dd_pool, + ds->ds_dir->dd_phys->dd_origin_obj, FTAG, &ods)); + dsl_dataset_name(ods, stat->dds_origin); + dsl_dataset_drop_ref(ods, FTAG); + } + rw_exit(&ds->ds_dir->dd_pool->dp_config_rwlock); } - rw_exit(&ds->ds_dir->dd_pool->dp_config_rwlock); } uint64_t @@ -2458,8 +2450,8 @@ dsl_dataset_snapshot_rename_sync(void *a ds->ds_snapname, 8, 1, &ds->ds_object, tx); ASSERT3U(err, ==, 0); - spa_history_log_internal(LOG_DS_RENAME, dd->dd_pool->dp_spa, tx, - "dataset = %llu", ds->ds_object); + spa_history_log_internal_ds(ds, "rename", tx, + "-> @%s", newsnapname); dsl_dataset_rele(hds, FTAG); } @@ -2939,8 +2931,7 @@ dsl_dataset_promote_sync(void *arg1, voi origin_ds->ds_phys->ds_unique_bytes = pa->unique; /* log history record */ - spa_history_log_internal(LOG_DS_PROMOTE, dd->dd_pool->dp_spa, tx, - "dataset = %llu", hds->ds_object); + spa_history_log_internal_ds(hds, "promote", tx, ""); dsl_dir_close(odd, FTAG); } @@ -3298,6 +3289,9 @@ dsl_dataset_clone_swap_sync(void *arg1, csa->ohds->ds_phys->ds_deadlist_obj); dsl_scan_ds_clone_swapped(csa->ohds, csa->cds, tx); + + spa_history_log_internal_ds(csa->cds, "clone swap", tx, + "parent=%s", csa->ohds->ds_dir->dd_myname); } /* @@ -3454,9 +3448,8 @@ dsl_dataset_set_quota_sync(void *arg1, v dmu_buf_will_dirty(ds->ds_dbuf, tx); ds->ds_quota = effective_value; - spa_history_log_internal(LOG_DS_REFQUOTA, - ds->ds_dir->dd_pool->dp_spa, tx, "%lld dataset = %llu ", - (longlong_t)ds->ds_quota, ds->ds_object); + spa_history_log_internal_ds(ds, "set refquota", tx, + "refquota=%lld", (longlong_t)ds->ds_quota); } } @@ -3561,9 +3554,8 @@ dsl_dataset_set_reservation_sync(void *a dsl_dir_diduse_space(ds->ds_dir, DD_USED_REFRSRV, delta, 0, 0, tx); mutex_exit(&ds->ds_dir->dd_lock); - spa_history_log_internal(LOG_DS_REFRESERV, - ds->ds_dir->dd_pool->dp_spa, tx, "%lld dataset = %llu", - (longlong_t)effective_value, ds->ds_object); + spa_history_log_internal_ds(ds, "set refreservation", tx, + "refreservation=%lld", (longlong_t)effective_value); } int @@ -3629,7 +3621,7 @@ dsl_dataset_user_hold_check(void *arg1, { dsl_dataset_t *ds = arg1; struct dsl_ds_holdarg *ha = arg2; - char *htag = ha->htag; + const char *htag = ha->htag; objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset; int error = 0; @@ -3663,7 +3655,7 @@ dsl_dataset_user_hold_sync(void *arg1, v { dsl_dataset_t *ds = arg1; struct dsl_ds_holdarg *ha = arg2; - char *htag = ha->htag; + const char *htag = ha->htag; dsl_pool_t *dp = ds->ds_dir->dd_pool; objset_t *mos = dp->dp_meta_objset; *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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