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Brian Behlendorf 6e9710f7c3 Merge branch 'kmem-rework' 
The core motivation behind these changes is to minimize the
memory management differences between ZFS on Linux and other
platforms.  This simplifies the process of porting changes to
Linux from other platforms.  This is good for code quality
and is expected to reduce the number of defects accidentally
introduced due to porting.  The following key Linux specific
changes have been reverted.

* KM_PUSHPAGE changed back to KM_SLEEP.  All contexts where
  it is unsafe to perform IO have been marked with PF_FSTRANS.
  This context specific mechanism is now used exclusively
  and the KM_PUSHPAGE mechanism has been retired.

* The KM_NODEBUG flag has been retired.  Allocations larger
  than 32K should use vmem_alloc()/vmem_free().  Depending
  on the size of the allocation either kmalloc() or vmalloc()
  will be used internally, but no warning will be printed.

* Pre-allocated vdev IO buffers and the dedicated SA spill
  block cache have been retired.  It is now safe and reliable
  to allocate buffers of the needed size without fear of
  deadlocking.  This reduces our memory footprint and paves
  the way for larger block sizes.

Depends on zfsonlinux/spl#414.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Tim Chase <tim@chase2k.com>
Closes #2918
2015-01-16 14:58:46 -08:00
cmd vdev_id: use mawk-compatible regular expression 2014-12-19 12:05:16 -08:00
config Don't use AC_LANG_SOURCE for conftest.h source 2015-01-06 16:53:30 -08:00
contrib Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -07:00
dracut Amend Dracut module to export ZFS root on shutdown 2014-10-07 10:20:56 -07:00
etc Improve systemd script to not leave stale sharetab 2014-12-18 09:54:56 -08:00
include Revert "SA spill block cache" 2015-01-16 14:41:28 -08:00
lib Mark IO pipeline with PF_FSTRANS 2015-01-16 14:28:05 -08:00
man Document zfs_flags module parameter 2015-01-07 15:50:49 -08:00
module Revert "SA spill block cache" 2015-01-16 14:41:28 -08:00
rpm Fix typo in %post scriptlet lines 2014-12-18 18:38:33 -08:00
scripts Swap DTRACE_PROBE* with Linux tracepoints 2014-11-17 11:13:55 -08:00
udev Open pools asynchronously after module load 2013-07-03 09:24:38 -07:00
.gitignore Ignore *.{deb,rpm,tar.gz} files in the top directory. 2013-04-24 16:18:59 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Add a pkgconfig file 2014-08-28 07:59:43 -07:00
copy-builtin Consistent menuconfig name 2012-08-26 13:49:37 -07:00
COPYRIGHT Refresh links to web site 2013-03-06 15:46:41 -08:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Kernel header installation should respect --prefix 2014-10-28 09:37:06 -07:00
META Make license compatibility checks consistent 2014-10-17 14:58:38 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
zfs-script-config.sh.in Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

Native ZFS for Linux!

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

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org