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Brian Behlendorf 11d0525cbb
Add rwsem_tryupgrade for 4.9.20-rt16 kernel
The RT rwsem implementation was changed to allow multiple readers
as of the 4.9.20-rt16 patch set.  This results in a build failure
because the existing implementation was forced to directly access
the rwsem structure which has changed.

While this could be accommodated by adding additional compatibility
code.  This patch resolves the build issue by simply assuming the
rwsem can never be upgraded.  This functionality is a performance
optimization and all callers must already handle this case.

Converting the last remaining use of __SPIN_LOCK_UNLOCKED to
spin_lock_init() was additionally required to get a clean build.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7589
2018-07-30 09:22:30 -07:00
.github PR's should provide motivation & context first 2018-07-23 22:08:18 -07:00
cmd Add support for autoexpand property 2018-07-23 15:40:15 -07:00
config Add support for autoexpand property 2018-07-23 15:40:15 -07:00
contrib Fix initramfs missing systemd binaries 2018-07-27 09:29:43 -07:00
etc Minor documentation, logging, and testing typos 2018-06-07 09:38:39 -07:00
include Add rwsem_tryupgrade for 4.9.20-rt16 kernel 2018-07-30 09:22:30 -07:00
lib OpenZFS 9457 - libzfs_import.c:add_config() has a memory leak 2018-07-24 17:12:06 -07:00
man OpenZFS 8906 - uts: illumos rootfs should support salted cksum 2018-07-27 08:35:28 -07:00
module Add rwsem_tryupgrade for 4.9.20-rt16 kernel 2018-07-30 09:22:30 -07:00
rpm Update build system and packaging 2018-05-29 16:00:33 -07:00
scripts OpenZFS 9330 - stack overflow when creating a deeply nested dataset 2018-07-09 13:02:50 -07:00
tests ZTS: Add reservation_008_pos exception 2018-07-25 10:15:39 -07:00
udev Add kernel module auto-loading 2018-03-13 10:45:55 -07:00
.gitignore Ignore *.o.ur-safe build artifacts 2018-05-13 18:59:02 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Update build system and packaging 2018-05-29 16:00:33 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
copy-builtin copy-builtin: SPL must be in Kbuild first 2018-06-15 15:16:29 -07:00
COPYRIGHT Update build system and packaging 2018-05-29 16:00:33 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am make install only works once 2018-05-31 09:19:59 -07:00
META Linux compat 4.18: check_disk_size_change() 2018-06-15 15:05:21 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Explicitly state supported Linux versions 2018-05-30 20:11:19 -07:00
TEST Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

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ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.

Release

ZFS on Linux 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 kernel versions.