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Chunwei Chen da8f51e16a Use a dedicated taskq for vdev_file 
The introduction of parallel zvol prefetch causes deadlock when using
vdev_file.

spa_async->(spa_namespace_lock)->txg_wait_synced->(wait for txg_sync)
txg_sync->zio_wait->(wait for vdev_file_io_fsync on system_taskq)
zvol_prefetch_minors_impl (on system_taskq)->spa_open_common->(wait for spa_namespace_lock)

We fix this by using dedicated taskq for vdev_file.  This same change
was originally made in commit bc25c93 but reverted in commit aa9af22
when dynamic taskqs were added.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Closes #5506 
Closes #5495
2016-12-21 10:47:15 -08:00
.github
Add CONTRIBUTING information and templates
2016-12-09 12:48:12 -07:00
cmd
Fix coverity defects: CID 155008
2016-12-19 10:26:15 -08:00
config
Use inode_set_flags when available
2016-12-16 13:54:51 -08:00
contrib
Update .gitignore
2016-10-19 14:29:33 -07:00
etc
Change /etc/mtab to /proc/self/mounts
2016-09-20 10:07:58 -07:00
include
Use a dedicated taskq for vdev_file
2016-12-21 10:47:15 -08:00
lib
Use cstyle -cpP in make cstyle check
2016-12-12 10:46:26 -08:00
man
Revert "Disable zio_dva_throttle_enabled by default"
2016-12-08 13:57:42 -07:00
module
Use a dedicated taskq for vdev_file
2016-12-21 10:47:15 -08:00
rpm
Add -c to zpool iostat & status to run command
2016-11-29 14:45:38 -07:00
scripts
Add paxcheck make lint target
2016-10-28 16:10:00 -07:00
tests
Fix dsl_props_set_sync_impl to work with nested nvlist
2016-12-20 18:46:59 -08:00
udev
Allow partition aliases in vdev_id.conf (#5266)
2016-10-14 16:11:16 -07:00
.gitignore
Update .gitignore
2016-10-19 14:29:33 -07:00
.gitmodules
Add zimport.sh compatibility test script
2014-02-21 12:10:31 -08:00
AUTHORS
Add a missing > to AUTHORS
2014-09-02 14:18:53 -07:00
autogen.sh
build: do not call boilerplate ourself
2013-04-02 10:55:20 -07:00
configure.ac
Add test for chattr
2016-12-16 16:07:41 -08:00
copy-builtin
Illumos Crypto Port module added to enable native encryption in zfs
2016-07-20 10:43:30 -07:00
COPYRIGHT
Update ZED copyright boilerplate
2015-05-11 15:07:00 -07:00
DISCLAIMER
Fix minor typos and update marketing copy.
2013-03-21 12:51:06 -07:00
Makefile.am
Use cstyle -cpP in make cstyle check
2016-12-12 10:46:26 -08:00
META
Tag 0.7.0-rc2
2016-10-26 10:36:33 -07:00
OPENSOLARIS.LICENSE
Add CDDL license file
2008-12-01 14:49:34 -08:00
README.markdown
Add CONTRIBUTING information and templates
2016-12-09 12:48:12 -07:00
TEST
Skip xfstests on Ubuntu 16.04 and CentOS 7
2016-12-14 09:36:14 -08:00
zfs-script-config.sh.in
Introduce tests for python scripts
2016-10-06 13:11:57 -07:00
zfs.release.in
Move zfs.release generation to configure step
2012-07-12 12:22:51 -07:00

README.markdown

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers. And it's native!

Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.

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