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417104bdd3c7ce07ec58674dd078f9891c3bc780
mirror_zfs/module/zfs
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Ned Bass 417104bdd3 Use cached feature info in spa_add_feature_stats() 
Avoid issuing I/O to the pool when retrieving feature flags information.
Trying to read the ZAPs from disk means that zpool clear would hang if
the pool is suspended and recovery would require a reboot. To keep the
feature stats resident in memory, we hang a cached nvlist off of the
spa.  It is built up from disk the first time spa_add_feature_stats() is
called, and refreshed thereafter using the cached feature reference
counts. spa_add_feature_stats() gets called at pool import time so we
can be sure the cached nvlist will be available if the pool is later
suspended.

Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3082
2015-03-05 14:11:10 -08:00
..
arc.c
Change ASSERT(!"...") to cmn_err(CE_PANIC, ...)
2015-03-03 13:22:21 -08:00
blkptr.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
bplist.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
bpobj.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
bptree.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dbuf_stats.c
Skip evicting dbufs when walking the dbuf hash
2015-02-06 09:24:28 -08:00
dbuf.c
Use MUTEX_FSTRANS mutex type
2015-03-03 10:46:40 -08:00
ddt_zap.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
ddt.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dmu_diff.c
Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t
2014-08-06 14:48:41 -07:00
dmu_object.c
Illumos 3693 - restore_object uses at least two transactions to restore an object
2014-10-21 15:26:50 -07:00
dmu_objset.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dmu_send.c
Illumos 5162 - zfs recv should use loaned arc buffer to avoid copy
2014-10-21 16:32:11 -07:00
dmu_traverse.c
Illumos 5311 - traverse_dnode may report success when it should not
2015-02-06 12:07:15 -08:00
dmu_tx.c
Change ASSERT(!"...") to cmn_err(CE_PANIC, ...)
2015-03-03 13:22:21 -08:00
dmu_zfetch.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dmu.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dnode_sync.c
Illumos 5117 - spacemap reallocation can cause corruption
2014-09-08 09:42:39 -07:00
dnode.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_bookmark.c
Illumos 4368, 4369.
2014-07-29 10:55:29 -07:00
dsl_dataset.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_deadlist.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_deleg.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
dsl_destroy.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_dir.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_pool.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_prop.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_scan.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
dsl_synctask.c
Export symbols dsl_sync_task{_nowait}
2014-03-07 10:01:36 -08:00
dsl_userhold.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
fm.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
gzip.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
lz4.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
Swap DTRACE_PROBE* with Linux tracepoints
2014-11-17 11:13:55 -08:00
metaslab.c
Skip bad DVAs during free by setting zfs_recover=1
2015-02-13 16:02:04 -08:00
range_tree.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
refcount.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
rrwlock.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
sa.c
Fix SA header size accounting
2015-02-06 09:26:46 -08:00
sha256.c
Add linux sha2 support
2010-08-31 13:41:59 -07:00
spa_boot.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_config.c
Set zfs_autoimport_disable default value to 1
2015-02-17 16:09:41 -08:00
spa_errlog.c
Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t
2014-08-06 14:48:41 -07:00
spa_history.c
Use kmem_vasprintf() in log_internal()
2015-01-21 15:30:24 -08:00
spa_misc.c
Use cached feature info in spa_add_feature_stats()
2015-03-05 14:11:10 -08:00
spa_stats.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
spa.c
Use cached feature info in spa_add_feature_stats()
2015-03-05 14:11:10 -08:00
space_map.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
space_reftree.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
trace.c
Remove duplicate typedefs from trace.h
2015-01-06 16:53:24 -08:00
txg.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
uberblock.c
Illumos #3598
2013-10-31 14:58:04 -07:00
unique.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_cache.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_disk.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_file.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_label.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_mirror.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_missing.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev_queue.c
Revert "Pre-allocate vdev I/O buffers"
2015-01-16 14:41:28 -08:00
vdev_raidz.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_root.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev.c
Revert "Don't read space maps during import for readonly pools"
2015-02-09 16:56:59 -08:00
zap_leaf.c
Change ASSERT(!"...") to cmn_err(CE_PANIC, ...)
2015-03-03 13:22:21 -08:00
zap_micro.c
Change ASSERT(!"...") to cmn_err(CE_PANIC, ...)
2015-03-03 13:22:21 -08:00
zap.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfeature_common.c
Illumos 4924 - LZ4 Compression for metadata
2014-10-20 16:17:49 -07:00
zfeature.c
Use cached feature info in spa_add_feature_stats()
2015-03-05 14:11:10 -08:00
zfs_acl.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Illumos 4368, 4369.
2014-07-29 10:55:29 -07:00
zfs_debug.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_dir.c
Revert "Revert "Revert "Fix unlink/xattr deadlock"""
2014-08-11 16:12:36 -07:00
zfs_fm.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_fuid.c
Illumos #3522
2013-10-30 14:51:27 -07:00
zfs_ioctl.c
Prevent "zpool destroy|export" when suspended
2015-03-02 11:50:06 -08:00
zfs_log.c
Only commit the ZIL once in zpl_writepages() (msync() case).
2013-11-23 15:08:29 -08:00
zfs_onexit.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_replay.c
Linux AIO Support
2014-09-05 15:11:43 -07:00
zfs_rlock.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_sa.c
Revert "SA spill block cache"
2015-01-16 14:41:28 -08:00
zfs_vfsops.c
Linux 4.0 compat: bdi_setup_and_register()
2015-03-03 10:49:45 -08:00
zfs_vnops.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_znode.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zil.c
Use zio buffers in zil_itx_create()
2015-02-02 11:20:41 -08:00
zio_checksum.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
zio_compress.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
zio_inject.c
Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t
2014-08-06 14:48:41 -07:00
zio.c
Retire zio_cons()/zio_dest()
2015-02-10 16:09:49 -08:00
zle.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zpl_ctldir.c
Fix readdir for .zfs/snapshot directory
2015-02-10 16:34:30 -08:00
zpl_export.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
zpl_file.c
Fix O_APPEND open(2) flag
2015-02-24 11:21:54 -08:00
zpl_inode.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
zpl_super.c
Linux 3.12 compat: split shrinker has s_shrink
2015-01-20 14:07:59 -08:00
zpl_xattr.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zrlock.c
Remove duplicate typedefs from trace.h
2015-01-06 16:53:24 -08:00
zvol.c
Handle closing an unopened ZVOL
2015-01-30 14:44:14 -08:00