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lidongyang 8d9e51c084 Fix dnode_hold_impl() soft lockup 
Soft lockups could happen when multiple threads trying
to get zrl on the same dnode handle in order to allocate
and initialize the dnode marked as DN_SLOT_ALLOCATED.

Don't loop from beginning when we can't get zrl, otherwise
we would increase the zrl refcount and nobody can actually
lock it.

Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Li Dongyang <dongyangli@ddn.com>
Closes #8433
2019-02-22 09:48:37 -08:00
.github Bump commit subject length to 72 characters 2019-01-08 09:23:05 -08:00
cmd zfs should optionally send holds 2019-02-15 12:41:38 -08:00
config Linux 5.0 compat: Fix bio_set_dev() 2019-01-28 10:11:45 -08:00
contrib ZVOLs should not be allowed to have children 2019-02-08 15:44:15 -08:00
etc ZFS mounted NFSv3 shares fail lock reclaims 2019-02-15 14:40:16 -08:00
include Fix dnode_hold_impl() soft lockup 2019-02-22 09:48:37 -08:00
lib Fix zdb crash 2019-02-19 11:15:22 -08:00
man Clarify zpool iostat statistics reporting 2019-02-21 14:00:48 -08:00
module Fix dnode_hold_impl() soft lockup 2019-02-22 09:48:37 -08:00
rpm Add diffutils dependency for dkms build 2019-02-20 10:04:05 -08:00
scripts OpenZFS 9185 - Enable testing over NFS in ZFS performance tests 2019-02-04 09:27:37 -08:00
tests Prevent user accounting on readonly pool 2019-02-19 18:41:18 -08:00
udev Add enclosure_symlinks option to vdev_id 2018-12-14 17:27:49 -08:00
.gitignore Verify .gitignore entries 2019-01-15 11:56:29 -08:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
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AUTHORS Update build system and packaging 2018-05-29 16:00:33 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac Use ZFS version for pyzfs & drop unused reqs file 2019-01-08 15:56:42 -08:00
copy-builtin Allow copy-builtin to work with modified sources 2018-10-17 12:06:05 -07:00
COPYRIGHT Update build system and packaging 2018-05-29 16:00:33 -07:00
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Makefile.am Verify .gitignore entries 2019-01-15 11:56:29 -08:00
META Tag 0.8.0-rc3 2019-01-14 12:40:42 -08:00
NEWS Add NEWS file 2018-09-18 12:03:47 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Explicitly state supported Linux versions 2018-05-30 20:11:19 -07:00
TEST Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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

codecov coverity

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.

Release

ZFS on Linux is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported kernel versions.