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Paul Dagnelie 2921ad6cba
Fix zrele race in zrele_async that can cause hang 
There is a race condition in zfs_zrele_async when we are checking if 
we would be the one to evict an inode. This can lead to a txg sync 
deadlock.

Instead of calling into iput directly, we attempt to perform the atomic 
decrement ourselves, unless that would set the i_count value to zero. 
In that case, we dispatch a call to iput to run later, to prevent a 
deadlock from occurring.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #11527 
Closes #11530
2021-01-27 21:29:58 -08:00
.github Forward questions to github discussions 2020-12-21 20:09:02 -08:00
cmd cppcheck: integrete cppcheck 2021-01-26 16:12:26 -08:00
config cppcheck: integrete cppcheck 2021-01-26 16:12:26 -08:00
contrib dracut: Fix race condition between load-key and import 2021-01-26 12:14:22 -08:00
etc Verify zfs module loaded before starting services 2020-11-28 11:11:18 -08:00
include Parallelize vdev_validate 2021-01-26 19:36:51 -08:00
lib Fix a resource leak in uu_avl_pool_destroy 2021-01-26 19:39:28 -08:00
man Fix a man page link in zfs-program.8 2021-01-26 16:17:11 -08:00
module Fix zrele race in zrele_async that can cause hang 2021-01-27 21:29:58 -08:00
rpm Install zgenhostid to sbindir 2021-01-21 12:58:24 -08:00
scripts DKMS: Disable weak modules 2020-12-15 09:22:30 -08:00
tests ZTS: pool_state test check for pool existence in cleanup 2021-01-27 17:33:30 -08:00
udev Centralize variable substitution 2020-07-14 17:33:44 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Add FreeBSD support to OpenZFS 2020-04-14 11:36:28 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
configure.ac Autoconf 2.70 compatibility 2021-01-02 16:55:55 -08:00
copy-builtin Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am cppcheck: integrete cppcheck 2021-01-26 16:12:26 -08:00
META Linux 5.10 compat: META 2020-12-23 08:55:02 -08:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md docs: update README's installation link 2020-10-08 09:33:53 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

img

OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.

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Official Resources

Installation

Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.

Contribute & Develop

We have a separate document with contribution guidelines.

We have a Code of Conduct.

Release

OpenZFS 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 Linux kernel versions.
  • Supported FreeBSD versions are 12-STABLE and 13-CURRENT.