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01937958ce
mirror_zfs/module/zfs
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Matthew Ahrens 01937958ce OpenZFS 9577 - remove zfs_dbuf_evict_key tsd 
The zfs_dbuf_evict_key TSD (thread-specific data) is not necessary -
we can instead pass a flag down in a few places to prevent recursive
dbuf eviction. Making this change has 3 benefits:

1. The code semantics are easier to understand.
2. On Linux, performance is improved, because creating/removing
   TSD values (by setting to NULL vs non-NULL) is expensive, and
   we do it very often.
3. According to Nexenta, the current semantics can cause a
   deadlock when concurrently calling dmu_objset_evict_dbufs()
   (which is rare today, but they are working on a "parallel
   unmount" change that triggers this more easily):

Porting Notes:
* Minor conflict with OpenZFS 9337 which has not yet been ported.

Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Brad Lewis <brad.lewis@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://illumos.org/issues/9577
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/645
External-issue: DLPX-58547
Closes #7602
2019-02-22 09:47:34 -08:00
..
abd.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
arc.c Fix arc_release() refcount 2018-11-08 14:38:28 -08:00
blkptr.c OpenZFS 8067 - zdb should be able to dump literal embedded block pointer 2017-07-07 11:28:01 -07:00
bplist.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
bpobj.c Don't dirty bpobj if it has no entries 2017-05-26 11:42:10 -07:00
bptree.c OpenZFS 7082 - bptree_iterate() passes wrong args to zfs_dbgmsg() 2017-01-17 14:49:24 -08:00
bqueue.c Call cv_signal() with mutex held 2017-06-26 14:36:49 -07:00
dbuf_stats.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
dbuf.c OpenZFS 9577 - remove zfs_dbuf_evict_key tsd 2019-02-22 09:47:34 -08:00
ddt_zap.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
ddt.c Cache ddt_get_dedup_dspace() value if there was no ddt changes 2016-12-02 16:59:35 -07:00
dmu_diff.c OpenZFS 6950 - ARC should cache compressed data 2016-09-13 09:58:33 -07:00
dmu_object.c Fix 'zfs recv' of non large_dnode send streams 2018-07-06 02:46:51 -07:00
dmu_objset.c Fix race in dnode_check_slots_free() 2018-11-08 14:38:28 -08:00
dmu_send.c Fix 'zfs recv' of non large_dnode send streams 2018-07-06 02:46:51 -07:00
dmu_traverse.c Fix hung z_zvol tasks during 'zfs receive' 2018-05-07 17:19:57 -07:00
dmu_tx.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
dmu_zfetch.c OpenZFS 8835 - Speculative prefetch in ZFS not working for misaligned reads 2018-01-30 10:27:31 -06:00
dmu.c Linux 4.19-rc3+ compat: Remove refcount_t compat 2018-11-08 14:38:28 -08:00
dnode_sync.c OpenZFS 9577 - remove zfs_dbuf_evict_key tsd 2019-02-22 09:47:34 -08:00
dnode.c OpenZFS 9577 - remove zfs_dbuf_evict_key tsd 2019-02-22 09:47:34 -08:00
dsl_bookmark.c OpenZFS 8377 - Panic in bookmark deletion 2017-06-30 11:11:01 -07:00
dsl_dataset.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
dsl_deadlist.c OpenZFS 5428 - provide fts(), reallocarray(), and strtonum() 2017-07-08 20:35:35 -07:00
dsl_deleg.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
dsl_destroy.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
dsl_dir.c Linux 4.18 compat: inode timespec -> timespec64 2018-07-06 02:46:51 -07:00
dsl_pool.c Multi-modifier protection (MMP) 2017-07-13 13:54:00 -04:00
dsl_prop.c Fix dsl_props_set_sync_impl to work with nested nvlist 2016-12-20 18:46:59 -08:00
dsl_scan.c OpenZFS 6939 - add sysevents to zfs core for commands 2017-07-12 21:28:13 -07:00
dsl_synctask.c Illumos 4951 - ZFS administrative commands should use reserved space 2015-05-04 09:41:10 -07:00
dsl_userhold.c OpenZFS 5428 - provide fts(), reallocarray(), and strtonum() 2017-07-08 20:35:35 -07:00
edonr_zfs.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
fm.c Linux 4.18 compat: inode timespec -> timespec64 2018-07-06 02:46:51 -07:00
gzip.c GZIP compression offloading with QAT accelerator 2017-03-22 17:58:47 -07:00
lz4.c Fix LZ4_uncompress_unknownOutputSize caused panic 2017-05-19 13:45:46 -07:00
lzjb.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
Makefile.in Multi-modifier protection (MMP) 2017-07-13 13:54:00 -04:00
metaslab.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
mmp.c module param callbacks check for initialized spa 2018-07-06 02:46:51 -07:00
multilist.c OpenZFS 7968 - multi-threaded spa_sync() 2017-03-20 18:36:00 -07:00
pathname.c Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
policy.c Take user namespaces into account in policy checks 2018-03-14 16:10:38 -07:00
qat_compress.c Bug fix in qat_compress.c for vmalloc addr check 2018-03-14 16:10:36 -07:00
qat_compress.h GZIP compression offloading with QAT accelerator 2017-03-22 17:58:47 -07:00
range_tree.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
refcount.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
rrwlock.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
sa.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
sha256.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
skein_zfs.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_config.c Remove vn_rename and vn_remove dependency 2018-03-14 16:10:36 -07:00
spa_errlog.c OpenZFS 5428 - provide fts(), reallocarray(), and strtonum() 2017-07-08 20:35:35 -07:00
spa_history.c Emit history events for 'zpool create' 2017-12-04 17:21:03 -08:00
spa_misc.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
spa_stats.c Add pool state /proc entry, "SUSPENDED" pools 2018-07-06 02:46:51 -07:00
spa.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
space_map.c OpenZFS 8023 - Panic destroying a metaslab deferred range tree 2017-04-09 16:12:35 -07:00
space_reftree.c OpenZFS 6328 - Fix cstyle errors in zfs codebase 2017-01-12 09:42:11 -08:00
trace.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
txg.c OpenZFS 8063 - verify that we do not attempt to access inactive txg 2017-05-10 13:52:22 -04:00
uberblock.c Multi-modifier protection (MMP) 2017-07-13 13:54:00 -04:00
unique.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
vdev_cache.c Fix wrong offset args in vdev_cache_write 2017-03-28 11:06:22 -07:00
vdev_disk.c Revert "zpool reopen should detect expanded devices" 2018-09-13 10:11:42 -07:00
vdev_file.c Skip spurious resilver IO on raidz vdev 2017-05-12 17:28:03 -07:00
vdev_label.c Update mmp_delay on sync or skipped, failed write 2018-05-07 17:19:57 -07:00
vdev_mirror.c vdev_mirror: load balancing fixes 2018-01-30 10:27:30 -06:00
vdev_missing.c Skip spurious resilver IO on raidz vdev 2017-05-12 17:28:03 -07:00
vdev_queue.c vdev_mirror: load balancing fixes 2018-01-30 10:27:30 -06:00
vdev_raidz_math_aarch64_neon_common.h ABD raidz NEON support 2016-11-29 14:34:33 -08:00
vdev_raidz_math_aarch64_neon.c codebase style improvements for OpenZFS 6459 port 2017-01-22 13:25:40 -08:00
vdev_raidz_math_aarch64_neonx2.c ABD raidz NEON support 2016-11-29 14:34:33 -08:00
vdev_raidz_math_avx2.c ABD raidz avx512f support 2016-11-29 14:34:33 -08:00
vdev_raidz_math_avx512bw.c ABD: Adapt avx512bw raidz assembly 2016-12-15 17:31:33 -08:00
vdev_raidz_math_avx512f.c Use cstyle -cpP in make cstyle check 2016-12-12 10:46:26 -08:00
vdev_raidz_math_impl.h codebase style improvements for OpenZFS 6459 port 2017-01-22 13:25:40 -08:00
vdev_raidz_math_scalar.c ABD Vectorized raidz 2016-11-29 14:34:33 -08:00
vdev_raidz_math_sse2.c ABD raidz avx512f support 2016-11-29 14:34:33 -08:00
vdev_raidz_math_ssse3.c codebase style improvements for OpenZFS 6459 port 2017-01-22 13:25:40 -08:00
vdev_raidz_math.c codebase style improvements for OpenZFS 6459 port 2017-01-22 13:25:40 -08:00
vdev_raidz.c Linux 4.14 compat: CONFIG_GCC_PLUGIN_RANDSTRUCT 2017-12-04 17:21:39 -08:00
vdev_root.c Skip spurious resilver IO on raidz vdev 2017-05-12 17:28:03 -07:00
vdev.c Revert "zpool reopen should detect expanded devices" 2018-09-13 10:11:42 -07:00
zap_leaf.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-07-06 02:46:51 -07:00
zap_micro.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-07-06 02:46:51 -07:00
zap.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-07-06 02:46:51 -07:00
zfeature_common.c OpenZFS 2932 - support crash dumps to raidz, etc. pools 2017-04-10 10:24:17 -07:00
zfeature.c OpenZFS 6328 - Fix cstyle errors in zfs codebase 2017-01-12 09:42:11 -08:00
zfs_acl.c OpenZFS 8966 - Source file zfs_acl.c, function zfs_aclset_common contains a use after end of the lifetime of a local variable 2018-03-14 16:10:36 -07:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
zfs_debug.c Add line info and SET_ERROR() to ZFS debug log 2017-07-25 23:09:48 -07:00
zfs_dir.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-07-06 02:46:51 -07:00
zfs_fm.c OpenZFS 6939 - add sysevents to zfs core for commands 2017-07-12 21:28:13 -07:00
zfs_fuid.c Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_ioctl.c Allow inherited properties in zfs_check_settable() 2018-07-06 02:46:51 -07:00
zfs_log.c OpenZFS 7578 - Fix/improve some aspects of ZIL writing 2017-06-09 09:15:37 -07:00
zfs_onexit.c zfsdev_getminor() should check for invalid file handles 2015-06-22 17:02:13 -07:00
zfs_replay.c Rename zfs_sb_t -> zfsvfs_t 2017-03-10 09:51:33 -08:00
zfs_rlock.c Fix spelling 2017-01-03 11:31:18 -06:00
zfs_sa.c Modifying XATTRs doesnt change the ctime 2017-09-13 16:05:18 -07:00
zfs_vfsops.c Fix statfs(2) for 32-bit user space 2018-11-08 14:38:28 -08:00
zfs_vnops.c Fix ENOSPC in "Handle zap_add() failures in ..." 2018-07-06 02:46:51 -07:00
zfs_znode.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
zil.c OpenZFS 8997 - ztest assertion failure in zil_lwb_write_issue 2018-07-06 02:46:51 -07:00
zio_checksum.c Remove dependency on linear ABD 2017-03-29 12:24:51 -07:00
zio_compress.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
zio_inject.c Inject zinject(8) a percentage amount of dev errs 2017-06-16 17:21:11 -07:00
zio.c Prefix all refcount functions with zfs_ 2018-11-08 14:38:28 -08:00
zle.c Fix zle_decompress out of bound access 2018-03-14 16:10:36 -07:00
zpl_ctldir.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-07 17:19:57 -07:00
zpl_export.c Use cstyle -cpP in make cstyle check 2016-12-12 10:46:26 -08:00
zpl_file.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-07 17:19:57 -07:00
zpl_inode.c Linux 4.18 compat: inode timespec -> timespec64 2018-07-06 02:46:51 -07:00
zpl_super.c Fix statfs(2) for 32-bit user space 2018-11-08 14:38:28 -08:00
zpl_xattr.c Update for cppcheck v1.80 2018-01-30 10:27:31 -06:00
zrlock.c OpenZFS 3746 - ZRLs are racy 2017-01-23 10:35:58 -08:00
zvol.c Linux compat 4.18: check_disk_size_change() 2018-07-06 02:46:51 -07:00