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OpenZFS on Linux and FreeBSD
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Antonio Russo a75af541cf ZTS: limit mmapwrite file size 
commit ee6bf97c77 upstream

mmapwrite spawns several threads, all of which perform writes on a file
for the purpose of testing the behavior of mmap(2)-ed files.  One
thread performs an mmap and a write to the beginning of that region,
while the others perform regular writes after lseek(2)-ing the end of
the file.

Because these regular writes are set in a while (1) loop, they will
write an unbounded amount of data to disk.  The mmap_write_001_pos test
script SIGKILLs them after 30 seconds, but on fast testbeds, this may
be enough time to exhaust the available space in the filesystem,
leading to spurious test failures.

Instead, limit the total file size by checking that the lseek return
value is no greater than 250 * 1024*1024 bytes, which is less than the
default minimum vdev size defined in includes/default.cfg .

This also includes part of 2a493a4c71,
which checks the return value of lseek.

Signed-off-by: Antonio Russo <aerusso@aerusso.net>
Closes #14277
Closes #14345
 		2023-01-09 17:15:22 -08:00
.github Use Ubuntu 20.04 and remove Ubuntu 18.04 from workflows 2022-12-09 10:57:10 -08:00
cmd zed: unclean disk attachment faults the vdev 2023-01-05 11:09:36 -08:00
config Make autodetection disable pyzfs for kernel/srpm configurations 2022-12-01 12:39:44 -08:00
contrib initramfs: Fix legacy mountpoint rootfs 2022-12-13 17:33:33 -08:00
etc Correct multipathd.target to .service 2022-12-01 12:39:44 -08:00
include Make 1-bit bitfields unsigned 2022-12-01 12:39:43 -08:00
lib Allow receiver to override encryption properties in case of replication 2023-01-05 11:10:04 -08:00
man Add workaround for broken Linux pipes 2023-01-05 10:47:25 -08:00
module skip permission checks for extended attributes 2023-01-05 11:10:28 -08:00
rpm rpm: Silence "unversioned Obsoletes" warnings on EL 9 2022-09-13 17:50:59 -07:00
scripts scripts/enum-extract.pl should not hard code perl path 2022-12-01 12:39:41 -08:00
tests ZTS: limit mmapwrite file size 2023-01-09 17:15:22 -08:00
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 zfs-2.1.7 2022-12-01 12:39:45 -08:00
Makefile.am config: check for parallel(1), use it for cstyle 2022-09-14 11:23:25 -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 README: Update OpenZFS website url 2022-02-16 17:58:55 -08:00
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 Linux 5.16 compat: don't use XSTATE_XSAVE to save FPU state 2022-02-16 17:58:55 -08:00
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

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.