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Allan Jude f6a0dac84a
zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 
If the fields to be listed and sorted by are constrained
to those populated by dsl_dataset_fast_stat(), then
zfs list is much faster, as it does not need to open each
objset and reads its properties.

A previous optimization by Pawel Dawidek
(0cee24064a) took advantage
of this to make listing snapshot names sorted only by name
much faster.

However, it was limited to `-o name -s name`, this work
extends this optimization to work with:
  - name
  - guid
  - createtxg
  - numclones
  - inconsistent
  - redacted
  - origin
and could be further extended to any other properties
supported by dsl_dataset_fast_stat() or similar, that do
not require extra locking or reading from disk.

Reviewed-by: Mark Maybee <mark.maybee@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Signed-off-by: Allan Jude <allan@klarasystems.com>
Closes #11080
2021-12-16 11:56:22 -08:00
.github Strip colons from all test result filenames 2021-12-01 16:18:45 -08:00
cmd zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 2021-12-16 11:56:22 -08:00
config Linux 5.16: The blk-cgroup.h header is where struct blkcg_gq is defined 2021-12-07 12:28:12 -08:00
contrib zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 2021-12-16 11:56:22 -08:00
etc systemd: add weekly and monthly scrub timers 2021-12-16 11:47:22 -08:00
include zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 2021-12-16 11:56:22 -08:00
lib zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 2021-12-16 11:56:22 -08:00
man systemd: add weekly and monthly scrub timers 2021-12-16 11:47:22 -08:00
module zfs list: Allow more fields in ZFS_ITER_SIMPLE mode 2021-12-16 11:56:22 -08:00
rpm Add init script to load keys 2021-12-12 11:17:14 -08:00
scripts Add zfs-test facility to automatically rerun failing tests 2021-12-01 10:38:53 -07:00
tests t/z_diff/socket, zfs: main: fix unused argument warnings, ARGSUSED tags 2021-12-13 15:50:47 -08:00
udev Udev rules: remove zvol compat symlinks (without the leading zvol/) 2021-07-06 13:41:17 -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 2021-04-12 09:37:23 -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 zhack: Add repair label option 2021-11-11 11:26:18 -08:00
copy-builtin copy-builtin: posix conformance 2021-05-08 08:58:26 -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 Upgrade to libabigail 2.0.0 2021-11-09 17:36:42 -08:00
META Linux 5.15 compat: META (#12824) 2021-12-07 15:35:42 -08:00
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 2021-04-02 16:33:40 -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.