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Brian Behlendorf f81d5ef686
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
2019-09-25 09:23:29 -07:00
.github Fix typos 2019-09-02 18:17:39 -07:00
cmd Use signed types to prevent subtraction overflow 2019-09-22 15:27:53 -07:00
config OpenZFS restructuring - move platform specific headers 2019-09-05 09:34:54 -07:00
contrib Fix typos in contrib/ 2019-08-30 09:44:43 -07:00
etc Fix typos in etc/ 2019-08-30 09:46:52 -07:00
include OpenZFS restructuring - zvol 2019-09-25 09:20:30 -07:00
lib Refactor libzfs_error_init newlines 2019-09-18 09:05:57 -07:00
man Add warning for zfs_vdev_elevator option removal 2019-09-25 09:23:29 -07:00
module Add warning for zfs_vdev_elevator option removal 2019-09-25 09:23:29 -07:00
rpm Canonicalize Python shebangs 2019-09-12 13:32:32 -07:00
scripts kmodtool: depmod path 2019-09-11 11:14:50 -07:00
tests diff_cb() does not handle large dnodes 2019-09-24 12:01:37 -07:00
udev Restore :: in Makefile.am 2019-08-26 11:48:31 -07:00
.gitignore Linux 5.3 compat: Makefile subdir-m no longer supported 2019-08-19 15:22:52 -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 subcommand to wait for background zfs activity to complete 2019-09-13 18:09:06 -07:00
copy-builtin copy-builtin: SPL must be in Kbuild first (again) 2019-09-11 11:09:50 -07:00
COPYRIGHT OpenZFS restructuring - move platform specific sources 2019-09-06 11:26:26 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am OpenZFS restructuring - move platform specific sources 2019-09-06 11:26:26 -07:00
META Tag 0.8.0 2019-05-21 11:11:41 -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.