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OpenZFS on Linux and FreeBSD
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Mark Johnston 451d6da988 Allow disabling of unmapped I/O on FreeBSD 
We have a tunable which permits one to disable the use of unmapped I/O
for the buffer cache.  Respect it in ZFS as well.  This is useful for
KMSAN, which cannot easily maintain shadow state for unmapped pages.

No functional change intended, as unmapped I/O is permitted by default
and there's no real reason to disable it in practice except for
debugging.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Mark Johnston <markj@FreeBSD.org>
Closes #12446
 		2021-09-14 14:29:46 -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 Optimize allocation throttling 2021-09-14 12:40:15 -07:00
lib Remove old orig_fd variable from zfs send 2021-09-14 12:40:16 -07:00
man Add missing properties to zfs allow manpage 2021-09-14 13:08:19 -07:00
module Allow disabling of unmapped I/O on FreeBSD 2021-09-14 14:29:46 -07:00
rpm Added uncompress requirement 2021-06-15 16:55:49 -07:00
scripts Assorted fixes for the performance tests 2021-09-14 13:09:24 -07:00
tests Assorted fixes for the performance tests 2021-09-14 13:09:24 -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
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -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
META Tag 2.1.0 2021-07-02 11:04:34 -07:00
Makefile.am mancheck: accept lints, accept lint overrides 2021-06-09 13:05:34 -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
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -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
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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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.