Date: Mon, 27 Aug 2012 19:25:20 +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: r239746 - vendor-sys/illumos/dist/common/zfs vendor-sys/illumos/dist/uts/common/fs/zfs vendor-sys/illumos/dist/uts/common/fs/zfs/sys vendor/illumos/dist/cmd/zinject vendor/illumos/dist/... Message-ID: <201208271925.q7RJPKRD044999@svn.freebsd.org>
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Author: mm Date: Mon Aug 27 19:25:20 2012 New Revision: 239746 URL: http://svn.freebsd.org/changeset/base/239746 Log: Update vendor/illumos/dist and vendor/illumos-gate/dist to illumos-gate revision 13782:8f78aae28a63 Obtained from: ssh://anonhg@hg.illumos.org/illumos-gate Modified: vendor/illumos/dist/cmd/zinject/zinject.c vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c vendor/illumos/dist/man/man5/zpool-features.5 Changes in other areas also in this revision: Modified: vendor-sys/illumos/dist/common/zfs/zfeature_common.c vendor-sys/illumos/dist/common/zfs/zfeature_common.h vendor-sys/illumos/dist/uts/common/fs/zfs/bpobj.c vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_objset.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dataset.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_deadlist.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_dir.c vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_pool.c vendor-sys/illumos/dist/uts/common/fs/zfs/spa.c vendor-sys/illumos/dist/uts/common/fs/zfs/sys/bpobj.h 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_pool.h vendor-sys/illumos/dist/uts/common/fs/zfs/sys/zap.h vendor-sys/illumos/dist/uts/common/fs/zfs/zap.c vendor-sys/illumos/dist/uts/common/fs/zfs/zfeature.c vendor-sys/illumos/dist/uts/common/fs/zfs/zfs_vfsops.c vendor-sys/illumos/dist/uts/common/fs/zfs/zvol.c Modified: vendor/illumos/dist/cmd/zinject/zinject.c ============================================================================== --- vendor/illumos/dist/cmd/zinject/zinject.c Mon Aug 27 19:20:58 2012 (r239745) +++ vendor/illumos/dist/cmd/zinject/zinject.c Mon Aug 27 19:25:20 2012 (r239746) @@ -294,11 +294,9 @@ static int iter_handlers(int (*func)(int, const char *, zinject_record_t *, void *), void *data) { - zfs_cmd_t zc; + zfs_cmd_t zc = { 0 }; int ret; - zc.zc_guid = 0; - while (ioctl(zfs_fd, ZFS_IOC_INJECT_LIST_NEXT, &zc) == 0) if ((ret = func((int)zc.zc_guid, zc.zc_name, &zc.zc_inject_record, data)) != 0) @@ -421,7 +419,7 @@ static int cancel_one_handler(int id, const char *pool, zinject_record_t *record, void *data) { - zfs_cmd_t zc; + zfs_cmd_t zc = { 0 }; zc.zc_guid = (uint64_t)id; @@ -454,7 +452,7 @@ cancel_all_handlers(void) static int cancel_handler(int id) { - zfs_cmd_t zc; + zfs_cmd_t zc = { 0 }; zc.zc_guid = (uint64_t)id; @@ -476,7 +474,7 @@ static int register_handler(const char *pool, int flags, zinject_record_t *record, int quiet) { - zfs_cmd_t zc; + zfs_cmd_t zc = { 0 }; (void) strcpy(zc.zc_name, pool); zc.zc_inject_record = *record; @@ -533,7 +531,7 @@ register_handler(const char *pool, int f int perform_action(const char *pool, zinject_record_t *record, int cmd) { - zfs_cmd_t zc; + zfs_cmd_t zc = { 0 }; ASSERT(cmd == VDEV_STATE_DEGRADED || cmd == VDEV_STATE_FAULTED); (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c ============================================================================== --- vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c Mon Aug 27 19:20:58 2012 (r239745) +++ vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c Mon Aug 27 19:25:20 2012 (r239746) @@ -3511,7 +3511,7 @@ zfs_rollback(zfs_handle_t *zhp, zfs_hand zhp->zfs_type == ZFS_TYPE_VOLUME); /* - * Destroy all recent snapshots and its dependends. + * Destroy all recent snapshots and their dependents. */ cb.cb_force = force; cb.cb_target = snap->zfs_name; Modified: vendor/illumos/dist/man/man5/zpool-features.5 ============================================================================== --- vendor/illumos/dist/man/man5/zpool-features.5 Mon Aug 27 19:20:58 2012 (r239745) +++ vendor/illumos/dist/man/man5/zpool-features.5 Mon Aug 27 19:25:20 2012 (r239746) @@ -169,5 +169,33 @@ through the \fBfreeing\fR property. This feature is only \fBactive\fR while \fBfreeing\fR is non\-zero. .RE + +.sp +.ne 2 +.na +\fB\fBempty_bpobj\fR\fR +.ad +.RS 4n +.TS +l l . +GUID com.delphix:empty_bpobj +READ\-ONLY COMPATIBLE yes +DEPENDENCIES none +.TE + +This feature increases the performance of creating and using a large +number of snapshots of a single filesystem or volume, and also reduces +the disk space required. + +When there are many snapshots, each snapshot uses many Block Pointer +Objects (bpobj's) to track blocks associated with that snapshot. +However, in common use cases, most of these bpobj's are empty. This +feature allows us to create each bpobj on-demand, thus eliminating the +empty bpobjs. + +This feature is \fBactive\fR while there are any filesystems, volumes, +or snapshots which were created after enabling this feature. +.RE + .SH "SEE ALSO" \fBzpool\fR(1M)
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