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Brian Behlendorf 055238d2eb Add warning for zfs_vdev_elevator option removal 
Originally the zfs_vdev_elevator module option was added as a
convenience so the requested elevator would be automatically set
on the underlying block devices.  At the time this was simple
because the kernel provided an API function which did exactly this.

This API was then removed in the Linux 4.12 kernel which prompted
us to add compatibly code to set the elevator via a usermodehelper.
While well intentioned this introduced a bug which could cause a
system hang, that issue was subsequently fixed by commit 2a0d4188.

In order to avoid future bugs in this area, and to simplify the code,
this functionality is being deprecated.  A console warning has been
added to notify any existing consumers and the documentation updated
accordingly.  This option will remain for the lifetime of the 0.8.x
series for compatibility but if planned to be phased out of master.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #8664
Closes #9317
2020-01-22 13:49:01 -08:00
.github Fix typos 2020-01-22 13:49:00 -08:00
cmd Use signed types to prevent subtraction overflow 2020-01-22 13:49:01 -08:00
config Fix typos in config/ 2020-01-22 13:48:58 -08:00
contrib Fix typos in contrib/ 2020-01-22 13:48:58 -08:00
etc Fix typos in etc/ 2020-01-22 13:48:59 -08:00
include Fix typos in include/ 2020-01-22 13:48:59 -08:00
lib Refactor libzfs_error_init newlines 2020-01-22 13:49:01 -08:00
man Add warning for zfs_vdev_elevator option removal 2020-01-22 13:49:01 -08:00
module Add warning for zfs_vdev_elevator option removal 2020-01-22 13:49:01 -08:00
rpm Canonicalize Python shebangs 2020-01-22 13:49:00 -08:00
scripts Fix typos 2020-01-22 13:49:00 -08:00
tests diff_cb() does not handle large dnodes 2020-01-22 13:49:01 -08:00
udev Add enclosure_symlinks option to vdev_id 2018-12-14 17:27:49 -08:00
.gitignore Linux 5.3 compat: Makefile subdir-m no longer supported 2019-09-25 11:27:50 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
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
CODE_OF_CONDUCT.md Add CODE_OF_CONDUCT.md 2019-04-30 10:58:45 -07:00
configure.ac Add channel program for property based snapshots 2020-01-22 13:48:57 -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
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Minor cleanup in Makefile.am 2020-01-22 13:48:58 -08:00
META Tag zfs-0.8.2 2019-09-25 11:27:51 -07:00
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

img

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.