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Alexander Motin cfe8e960f1
Fix/improve dbuf hits accounting 
Instead of clearing stats inside arc_buf_alloc_impl() do it inside
arc_hdr_alloc() and arc_release().  It fixes statistics being wiped
every time a new dbuf is filled from the ARC.

Remove b_l1hdr.b_l2_hits. L2ARC hits are accounted at b_l2hdr.b_hits.
Since the hits are accounted under hash lock, replace atomics with
simple increments.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Sponsored-By: iXsystems, Inc.
Closes #12422
2021-08-17 09:50:31 -06:00
.github zloop: Add a max iterations option, use default run/pass times 2021-07-22 15:29:27 -06:00
cmd Move check_file to os/$platform section 2021-07-26 16:34:11 -07:00
config storeabi: add no-corpus-path flag 2021-07-26 16:54:53 -07:00
contrib Fix plymouth passphrase prompt with dracut 2021-06-25 22:43:25 -07:00
etc systemd: import: expand $ZPOOL_IMPORT_OPTS correctly 2021-06-14 09:48:53 -06:00
include Fix/improve dbuf hits accounting 2021-08-17 09:50:31 -06:00
lib Make get_key_material_file fail more verbosely 2021-08-05 17:48:33 -06:00
man Man zpool-scrub.8: describe sequential scrub 2021-08-05 15:30:28 -06:00
module Fix/improve dbuf hits accounting 2021-08-17 09:50:31 -06:00
rpm Added uncompress requirement 2021-06-11 09:38:23 -06:00
scripts Add zfs.sh -r flag to reload modules 2021-08-13 13:37:46 -07:00
tests ZTS: Avoid unset $tmpdir in redacted_panic 2021-08-16 16:38:34 -07:00
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
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
configure.ac man: use one Makefile, use OpenZFS for .Os 2021-06-09 14:34:47 -07:00
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
Makefile.am mancheck: accept lints, accept lint overrides 2021-06-04 12:48:26 -07:00
META Linux 5.13 compat: META 2021-06-29 13:16:38 -07:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE
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

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.