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Mateusz Guzik 14a1980b35 Combine zio caches if possible 
This deduplicates 2 sets of caches which use the same allocation size.

Memory savings fluctuate a lot, one sample result is FreeBSD running
"make buildworld" saving ~180MB RAM in reduced page count associated
with zio caches.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Closes #11877
2021-04-19 15:22:58 -07:00
.github CI: Increase free space in workflow 2021-04-07 13:24:28 -07:00
cmd zed: set O_CLOEXEC on persistent fds, remove closefrom() from pre-exec 2021-04-19 15:12:41 -07:00
config Add SIGSTOP and SIGTSTP handling to issig 2021-04-19 15:12:33 -07:00
contrib contrib/dracut: 90: zfs-{rollback,snapshot}-bootfs: use @sbindir@ 2021-04-19 15:22:57 -07:00
etc Fix various typos 2021-04-07 13:27:11 -07:00
include Add SIGSTOP and SIGTSTP handling to issig 2021-04-19 15:12:33 -07:00
lib linux/libspl: gethostid: read from /proc/sys/kernel/spl/hostid, simplify 2021-04-19 15:22:57 -07:00
man zfs-send(8): Restore sorting of flags 2021-04-19 15:22:57 -07:00
module Combine zio caches if possible 2021-04-19 15:22:58 -07:00
rpm Obsolete earlier packages due to version bump 2021-04-14 13:23:08 -07:00
scripts Add kmodtool fix to detect different System.map location 2021-04-14 13:19:49 -07:00
tests ZTS: add zed_fd_spill to verify the fds ZEDLETs inherit 2021-04-19 15:12:45 -07:00
udev Centralize variable substitution 2020-07-14 17:33:44 -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
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
configure.ac ZTS: Add tests for DOS mode attributes 2021-03-16 15:00:14 -07:00
copy-builtin 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
Makefile.am Fix 'make checkbashisms` warnings 2021-04-19 15:12:28 -07:00
META Tag 2.1.0-rc3 2021-04-14 14:50:46 -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
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

img

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.