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Matthew Ahrens 384f8a09f8 Illumos #4347 ZPL can use dmu_tx_assign(TXG_WAIT) 
Fix a lock contention issue by allowing threads not holding
ZPL locks to block when waiting to assign a transaction.

Porting Notes:

zfs_putpage() still uses TXG_NOWAIT, unlike the upstream version.  This
case may be a contention point just like zfs_write(), however it is not
safe to block here since it may be called during memory reclaim.

Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Boris Protopopov <boris.protopopov@nexenta.com>
Approved by: Dan McDonald <danmcd@nexenta.com>

References:
  https://www.illumos.org/issues/4347
  illumos/illumos-gate@e722410c49

Ported-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2013-12-06 09:30:51 -08:00
..
arc.c
Illumos #3995
2013-11-05 12:26:00 -08:00
bplist.c
Illumos #3464
2013-09-04 16:01:24 -07:00
bpobj.c
Illumos #3603, #3604: bobj improvements
2013-10-31 14:57:51 -07:00
bptree.c
26126 panic system rather than corrupting pool if we hit bug 26100
2013-11-05 13:18:26 -08:00
dbuf_stats.c
Add visibility in to cached dbufs
2013-10-25 13:59:40 -07:00
dbuf.c
Illumos #4047
2013-11-05 12:23:35 -08:00
ddt_zap.c
Add ddt_object_count() error handling
2012-10-29 08:57:45 -07:00
ddt.c
Illumos #3598
2013-10-31 14:58:04 -07:00
dmu_diff.c
Illumos #3598
2013-10-31 14:58:04 -07:00
dmu_object.c
Illumos #3598
2013-10-31 14:58:04 -07:00
dmu_objset.c
Illumos #3875
2013-11-04 11:27:41 -08:00
dmu_send.c
Illumos #4047
2013-11-05 12:23:35 -08:00
dmu_traverse.c
Reduce stack for traverse_visitbp() recursion
2013-11-14 14:28:12 -08:00
dmu_tx.c
Illumos #4082
2013-11-05 12:25:26 -08:00
dmu_zfetch.c
Illumos #3741
2013-11-04 10:55:25 -08:00
dmu.c
Illumos #4082
2013-11-05 12:25:26 -08:00
dnode_sync.c
Illumos #3742
2013-11-04 10:55:25 -08:00
dnode.c
Illumos #4047
2013-11-05 12:23:35 -08:00
dsl_dataset.c
Switch allocations from KM_SLEEP to KM_PUSHPAGE
2013-11-05 12:26:14 -08:00
dsl_deadlist.c
Illumos #3104: eliminate empty bpobjs
2013-01-08 10:35:43 -08:00
dsl_deleg.c
Illumos #3598
2013-10-31 14:58:04 -07:00
dsl_destroy.c
Illumos #4047
2013-11-05 12:23:35 -08:00
dsl_dir.c
Illumos #4046
2013-11-05 12:24:24 -08:00
dsl_pool.c
Illumos #3236
2013-11-05 12:14:21 -08:00
dsl_prop.c
Illumos #3742
2013-11-04 10:55:25 -08:00
dsl_scan.c
26126 panic system rather than corrupting pool if we hit bug 26100
2013-11-05 13:18:26 -08:00
dsl_synctask.c
Illumos #3598
2013-10-31 14:58:04 -07:00
dsl_userhold.c
Some nvlist allocations in hold processing need to use KM_PUSHPAGE.
2013-12-02 14:02:46 -08:00
fm.c
Condition variable usage, zevent_cv
2012-10-15 16:01:54 -07:00
gzip.c
Fix zmod.h usage in userspace
2010-08-31 08:38:46 -07:00
lz4.c
Linux 3.11 compat: Rename LZ4 symbols
2013-10-22 10:12:39 -07:00
lzjb.c
Illumos #3522
2013-10-30 14:51:27 -07:00
Makefile.in
Add visibility in to cached dbufs
2013-10-25 13:59:40 -07:00
metaslab.c
Illumos #4168, #4169, #4170
2013-11-05 12:25:44 -08:00
refcount.c
Illumos #3464
2013-09-04 16:01:24 -07:00
rrwlock.c
Fix several new KM_SLEEP warnings
2013-09-25 15:44:22 -07:00
sa.c
Illumos #3742
2013-11-04 10:55:25 -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
Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962
2013-11-05 12:23:05 -08:00
spa_errlog.c
Illumos #3743
2013-11-04 10:55:25 -08:00
spa_history.c
Illumos #3598
2013-10-31 14:58:04 -07:00
spa_misc.c
Illumos #3112, #3113, #3114
2013-11-05 12:14:48 -08:00
spa_stats.c
Illumos #3537
2013-10-31 09:16:03 -07:00
spa.c
Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962
2013-11-05 12:23:05 -08:00
space_map.c
Illumos #3464
2013-09-04 16:01:24 -07:00
txg.c
Illumos #3742
2013-11-04 10:55:25 -08:00
uberblock.c
Illumos #3598
2013-10-31 14:58:04 -07:00
unique.c
Switch KM_SLEEP to KM_PUSHPAGE
2012-08-27 12:01:37 -07:00
vdev_cache.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev_disk.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev_file.c
Illumos #3949, #3950, #3952, #3953
2013-11-05 12:17:07 -08:00
vdev_label.c
Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962
2013-11-05 12:23:05 -08:00
vdev_mirror.c
Reduce stack for traverse_visitbp() recursion
2013-11-14 14:28:12 -08:00
vdev_missing.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev_queue.c
Illumos #3742
2013-11-04 10:55:25 -08:00
vdev_raidz.c
Reduce stack for traverse_visitbp() recursion
2013-11-14 14:28:12 -08:00
vdev_root.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev.c
Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962
2013-11-05 12:23:05 -08:00
zap_leaf.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zap_micro.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zap.c
Illumos #3743
2013-11-04 10:55:25 -08:00
zfeature_common.c
Illumos #3035 LZ4 compression support in ZFS and GRUB
2013-01-29 09:28:20 -08:00
zfeature.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zfs_acl.c
Illumos #3742
2013-11-04 10:55:25 -08:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Handle concurrent snapshot automounts failing due to EBUSY.
2013-11-08 10:45:14 -08:00
zfs_debug.c
26126 panic system rather than corrupting pool if we hit bug 26100
2013-11-05 13:18:26 -08:00
zfs_dir.c
Illumos #4347 ZPL can use dmu_tx_assign(TXG_WAIT)
2013-12-06 09:30:51 -08:00
zfs_fm.c
3246 ZFS I/O deadman thread
2013-05-01 17:05:52 -07:00
zfs_fuid.c
Illumos #3522
2013-10-30 14:51:27 -07:00
zfs_ioctl.c
Remove the slog restriction on bootfs pools
2013-11-14 14:28:35 -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
Illumos #3598
2013-10-31 14:58:04 -07:00
zfs_replay.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zfs_rlock.c
Illumos #3742
2013-11-04 10:55:25 -08:00
zfs_sa.c
Illumos #3742
2013-11-04 10:55:25 -08:00
zfs_vfsops.c
Remove incorrect ASSERT in zfs_sb_teardown()
2013-12-02 15:58:58 -08:00
zfs_vnops.c
Illumos #4347 ZPL can use dmu_tx_assign(TXG_WAIT)
2013-12-06 09:30:51 -08:00
zfs_znode.c
Illumos #4347 ZPL can use dmu_tx_assign(TXG_WAIT)
2013-12-06 09:30:51 -08:00
zil.c
Only commit the ZIL once in zpl_writepages() (msync() case).
2013-11-23 15:08:29 -08:00
zio_checksum.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zio_compress.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zio_inject.c
Illumos #3598
2013-10-31 14:58:04 -07:00
zio.c
Illumos #3954, #4080, #4081
2013-11-05 12:25:01 -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
Add missing dsl pool configuration lock
2013-10-22 08:31:20 -07:00
zpl_export.c
Implement .commit_metadata hook for NFS export
2012-10-03 10:49:45 -07:00
zpl_file.c
Only commit the ZIL once in zpl_writepages() (msync() case).
2013-11-23 15:08:29 -08:00
zpl_inode.c
Fixes (extends) support for selinux xattrs to more inode types
2013-11-14 14:28:35 -08:00
zpl_super.c
Honor CONFIG_FS_POSIX_ACL kernel option
2013-11-05 16:22:05 -08:00
zpl_xattr.c
Honor CONFIG_FS_POSIX_ACL kernel option
2013-11-05 16:22:05 -08:00
zrlock.c
Export ZFS symbols needed by Lustre.
2010-09-17 16:24:15 -07:00
zvol.c
Illumos #3236
2013-11-05 12:14:21 -08:00