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| author | Martin Matuska <mm@FreeBSD.org> | 2010-08-28 08:59:55 +0000 |
|---|---|---|
| committer | Martin Matuska <mm@FreeBSD.org> | 2010-08-28 08:59:55 +0000 |
| commit | abe5837f7c1e08e17c954dba7dd4d52b137a0083 (patch) | |
| tree | 34eb07d3bbb54f0e69851f11ce45a99b9bf3749a /sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h | |
| parent | c87f1ad43ce664de499084f7662dd59b1c180eff (diff) | |
| download | src-abe5837f7c1e08e17c954dba7dd4d52b137a0083.tar.gz src-abe5837f7c1e08e17c954dba7dd4d52b137a0083.zip | |
Update ZFS metaslab code from OpenSolaris.
This provides a noticeable write speedup, especially on pools with
less than 30% of free space.
Detailed information (OpenSolaris onnv changesets and Bug IDs):
11146:7e58f40bcb1c
6826241 Sync write IOPS drops dramatically during TXG sync
6869229 zfs should switch to shiny new metaslabs more frequently
11728:59fdb3b856f6
6918420 zdb -m has issues printing metaslab statistics
12047:7c1fcc8419ca
6917066 zfs block picking can be improved
Approved by: delphij (mentor)
Obtained from: OpenSolaris (Bug ID 6826241, 6869229, 6918420, 6917066)
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=211931
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h index 5d3e11c971f9..c77b77205490 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h @@ -46,6 +46,7 @@ extern metaslab_t *metaslab_init(metaslab_group_t *mg, space_map_obj_t *smo, extern void metaslab_fini(metaslab_t *msp); extern void metaslab_sync(metaslab_t *msp, uint64_t txg); extern void metaslab_sync_done(metaslab_t *msp, uint64_t txg); +extern void metaslab_sync_reassess(metaslab_group_t *mg); #define METASLAB_HINTBP_FAVOR 0x0 #define METASLAB_HINTBP_AVOID 0x1 |