mirror_zfs/module/zfs
Matthew Ahrens a169a625a6 Illumos #4046
4046 dsl_dataset_t ds_dir->dd_lock is highly contended
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
  https://www.illumos.org/issues/4046
  illumos/illumos-gate@b62969f868

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775

Porting notes:

1. This commit removed dsl_dataset_namelen in Illumos, but that
   appears to have been removed from ZFSOnLinux in an earlier commit.
2013-11-05 12:24:24 -08:00
..
arc.c Illumos #3112, #3113, #3114 2013-11-05 12:14:48 -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 Illumos #3742 2013-11-04 10:55:25 -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 Illumos #3598 2013-10-31 14:58:04 -07:00
dmu_tx.c Illumos #4047 2013-11-05 12:23:35 -08:00
dmu_zfetch.c Illumos #3741 2013-11-04 10:55:25 -08:00
dmu.c Illumos #4047 2013-11-05 12:23:35 -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 Illumos #4046 2013-11-05 12:24:24 -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 Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962 2013-11-05 12:23:05 -08:00
dsl_synctask.c Illumos #3598 2013-10-31 14:58:04 -07:00
dsl_userhold.c Illumos #3829 2013-11-04 11:18:14 -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 #3598 2013-10-31 14:58:04 -07:00
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 Illumos #3598 2013-10-31 14:58:04 -07:00
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 Illumos #3742 2013-11-04 10:55:25 -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 Illumos #3741 2013-11-04 10:55:25 -08:00
zfs_debug.c Illumos #3956, #3957, #3958, #3959, #3960, #3961, #3962 2013-11-05 12:23:05 -08:00
zfs_dir.c Illumos #3598 2013-10-31 14:58:04 -07:00
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 Illumos #3996 2013-11-05 12:23:11 -08:00
zfs_log.c Illumos #3742 2013-11-04 10:55:25 -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 Illumos #3875 2013-11-04 11:27:41 -08:00
zfs_vnops.c Illumos #3236 2013-11-05 12:14:21 -08:00
zfs_znode.c Illumos #3742 2013-11-04 10:55:25 -08:00
zil.c Illumos #3742 2013-11-04 10:55:25 -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 #3836 2013-11-05 12:14:56 -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 Linux 3.11 compat: fops->iterate() 2013-08-15 16:19:07 -07:00
zpl_inode.c Posix ACL Support 2013-10-29 14:54:26 -07:00
zpl_super.c Posix ACL Support 2013-10-29 14:54:26 -07:00
zpl_xattr.c Posix ACL Support 2013-10-29 14:54:26 -07:00
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