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Paul Dagnelie 1fd28bd8d4 Add SCSI_PASSTHROUGH to zvols to enable UNMAP support 
When exporting ZVOLs as SCSI LUNs, by default Windows will not
issue them UNMAP commands. This reduces storage efficiency in
many cases.

We add the SCSI_PASSTHROUGH flag to the zvol's device queue,
which lets the SCSI target logic know that it can handle SCSI
commands.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Gallagher <john.gallagher@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #8933
2019-09-25 11:27:48 -07:00
.github Update CONTRIBUTING to point users to IRC as well as mailing list 2019-03-13 11:57:57 -07:00
cmd Fix memory leak in check_disk() 2019-09-25 11:27:47 -07:00
config Python config cleanup 2019-09-25 11:27:47 -07:00
contrib Replace whereis with type in zfs-lib.sh 2019-09-25 11:27:48 -07:00
etc Fix zfs-mount-generator for datasets with spaces 2019-05-07 09:32:23 -07:00
include Allow unencrypted children of encrypted datasets 2019-09-25 11:27:48 -07:00
lib Allow unencrypted children of encrypted datasets 2019-09-25 11:27:48 -07:00
man panic in removal_remap test on 4K devices 2019-09-25 11:27:47 -07:00
module Add SCSI_PASSTHROUGH to zvols to enable UNMAP support 2019-09-25 11:27:48 -07:00
rpm kmod-zfs-devel rpm should provide kmod-spl-devel 2019-09-25 11:27:47 -07:00
scripts Avoid updating zfs_gitrev.h when rev is unchanged 2019-09-25 11:27:47 -07:00
tests Allow unencrypted children of encrypted datasets 2019-09-25 11:27:48 -07:00
udev Add enclosure_symlinks option to vdev_id 2018-12-14 17:27:49 -08:00
.gitignore git ignore python 3.7 virtual environment directories 2019-03-25 15:05:26 -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 TRIM support 2019-03-29 09:13:20 -07:00
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 zfs-tests: fix warnings when packaging some .shlib files 2019-06-07 12:39:13 -07:00
META Tag zfs-0.8.1 2019-06-14 09:43:18 -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.

codecov coverity

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.