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George Wilson 2efea7c82c ZFS Reads may result in unneccesary calls to zil_commit 
ZFS supports O_RSYNC for read operations and when specified will ensure
the same level of data integrity that O_DSYNC and O_SYNC provides for
writes. O_RSYNC by itself has no effect so it must be combined with
either O_DSYNC or O_SYNC. However, many platforms don't support O_RSYNC
and have mapped O_SYNC to mean O_RSYNC within ZFS. This is incorrect
and causes unnecessary calls to zil_commit. Only platforms which
support O_RSYNC should implement the zil_commit functionality in the
read code path.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Wilson <george.wilson@delphix.com>
Closes #8523
2019-03-22 13:09:11 -07:00
.github Update CONTRIBUTING to point users to IRC as well as mailing list 2019-03-13 11:57:57 -07:00
cmd MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
config kernel_fpu fixes 2019-03-06 16:03:03 -08:00
contrib initramfs/debian: use panic() instead of directly calling /bin/sh 2019-02-28 12:05:55 -08:00
etc zfs-import: should be before swap 2019-03-14 18:12:17 -07:00
include ZFS Reads may result in unneccesary calls to zil_commit 2019-03-22 13:09:11 -07:00
lib ZFS Reads may result in unneccesary calls to zil_commit 2019-03-22 13:09:11 -07:00
man MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
module ZFS Reads may result in unneccesary calls to zil_commit 2019-03-22 13:09:11 -07:00
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 MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
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 config: better libtirpc detection 2019-03-02 16:19:05 -08:00
copy-builtin Allow copy-builtin to work with modified sources 2018-10-17 12:06:05 -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.

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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.