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Alexander Motin 5afc35b698 Use more atomics in refcounts 
Use atomic_load_64() for zfs_refcount_count() to prevent torn reads
on 32-bit platforms.  On 64-bit ones it should not change anything.

When built with ZFS_DEBUG but running without tracking enabled use
atomics instead of mutexes same as for builds without ZFS_DEBUG.
Since rc_tracked can't change live we can check it without lock.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #12420
2021-09-14 14:31:01 -07:00
.github zloop: Add a max iterations option, use default run/pass times 2021-09-14 12:40:45 -07:00
cmd Read past end of argv array in zpool_do_import() 2021-09-14 13:08:53 -07:00
config Linux 5.14 compat: explicity assign set_page_dirty 2021-09-14 12:41:10 -07:00
contrib Fix plymouth passphrase prompt with dracut 2021-06-29 13:14:49 -07:00
etc systemd: import: expand $ZPOOL_IMPORT_OPTS correctly 2021-06-15 16:56:53 -07:00
include Use more atomics in refcounts 2021-09-14 14:31:01 -07:00
lib Make get_key_material_file fail more verbosely 2021-09-14 14:30:13 -07:00
man Man zpool-scrub.8: describe sequential scrub 2021-09-14 14:29:46 -07:00
module Use more atomics in refcounts 2021-09-14 14:31:01 -07:00
rpm Added uncompress requirement 2021-06-15 16:55:49 -07:00
scripts Add zfs.sh -r flag to reload modules 2021-09-14 14:30:39 -07:00
tests ZTS: Avoid unset $tmpdir in redacted_panic 2021-09-14 14:31:01 -07:00
udev Udev rules: use match (==) rather than assign (=) for PROGRAM 2021-09-14 12:23:10 -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 .gitmodules: link to openzfs github repository 2021-04-14 13:23:08 -07:00
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 man: use one Makefile, use OpenZFS for .Os 2021-06-10 10:50:16 -07:00
copy-builtin copy-builtin: posix conformance 2021-05-10 12:18:54 -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 mancheck: accept lints, accept lint overrides 2021-06-09 13:05:34 -07:00
META Tag 2.1.0 2021-07-02 11:04:34 -07:00
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 Update FreeBSD versions 2021-03-16 15:03:28 -07:00
RELEASES.md Add RELEASES.md file 2021-04-07 13:26:58 -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 any supported branches and releases starting from 12.2-RELEASE.