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OpenZFS on Linux and FreeBSD
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Alan Somers ed0db1cc8b
Make txg_wait_synced conditional in zfsvfs_teardown, for FreeBSD 
This applies the same change in #9115 to FreeBSD.  This was actually the
old behavior in FreeBSD 12; it only regressed when FreeBSD support was
added to OpenZFS.  As far as I can tell, the timeline went like this:

* Illumos's zfsvfs_teardown used an unconditional txg_wait_synced
* Illumos added the dirty data check [^4]
* FreeBSD merged in Illumos's conditional check [^3]
* OpenZFS forked from Illumos
* OpenZFS removed the dirty data check in #7795 [^5]
* @mattmacy forked the OpenZFS repo and began to add FreeBSD support
* OpenZFS PR #9115[^1] recreated the same dirty data check that Illumos
  used, in slightly different form.  At this point the OpenZFS repo did
  not yet have multi-OS support.
* Matt Macy merged in FreeBSD support in #8987[^2] , but it was based on
  slightly outdated OpenZFS code.

In my local testing, this vastly improves the reboot speed of a server
with a large pool that has 1000 datasets and is resilvering an HDD.

[^1]: https://github.com/openzfs/zfs/pull/9115
[^2]: https://github.com/openzfs/zfs/pull/8987
[^3]: 10b9d77bf1
[^4]: 5aaeed5c61
[^5]: https://github.com/openzfs/zfs/pull/7795

Sponsored by: Axcient
Reviewed-by: Allan Jude <allan@klarasystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Alan Somers <asomers@gmail.com>
Closes #16268
 		2024-08-09 14:32:59 -07:00
.github Move nodes into correct subgraphs 2024-01-29 09:16:02 -08:00
cmd zstream: remove duplicate highbit64 definition 2024-08-09 14:31:41 -07:00
config Use kmap_local_page instead of kmap_atomic (#16329) 2024-07-16 17:27:29 -07:00
contrib Updating bash completion build file 2024-08-08 15:39:25 -07:00
etc etc/init.d: decide which variant to use at build time. 2024-04-08 16:52:24 -07:00
include abd: lift ABD zero scan from zio_compress_data() to abd_cmp_zero() 2024-08-09 14:30:26 -07:00
lib Fix memory corruption during parallel zpool import with -o cachefile (#16419) 2024-08-07 13:44:55 -07:00
man zpoolprops.7: Fix max length of name of user property 2024-08-08 15:23:33 -07:00
module Make txg_wait_synced conditional in zfsvfs_teardown, for FreeBSD 2024-08-09 14:32:59 -07:00
rpm contrib: link zpool to zfs in bash-completion (#16376) 2024-08-05 09:44:10 -07:00
scripts disable automatic dependency tracking for dkms builds 2024-06-13 18:08:49 -07:00
tests libzfs.h: Set ZFS_MAXPROPLEN and ZPOOL_MAXPROPLEN to ZAP_MAXVALUELEN 2024-08-08 15:23:40 -07:00
udev udev: correctly handle partition #16 and later 2024-03-21 16:38:24 -07:00
.cirrus.yml CI: add FreeBSD build with Cirrus CI 2023-10-06 08:50:26 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
.mailmap AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
AUTHORS AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
CODE_OF_CONDUCT.md Documentation corrections 2022-12-22 11:34:28 -08:00
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 Linux 6.9 compat: META (#16358) 2024-07-16 16:27:54 -07:00
Makefile.am Process `script` directory for all configs 2022-10-27 16:45:14 -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 FreeBSD: remove support for FreeBSD < 13.0-RELEASE (#16372) 2024-08-05 16:56:45 -07:00
RELEASES.md Add RELEASES.md file 2021-04-02 16:33:40 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
autogen.sh Ubuntu 22.04 integration: ShellCheck 2022-11-18 11:24:48 -08:00
configure.ac Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
copy-builtin copy-builtin: add hooks with sed/>> 2022-05-10 10:17:43 -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 13.0-RELEASE.