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Brian Behlendorf 50b25b2187 Avoid dynamic allocation of 'search zio' 
As part of commit e8b96c6 the search zio used by the
vdev_queue_io_to_issue() function was moved to the heap
to minimize stack usage.  Functionally this is fine, but
to maximize performance it's best to minimize the number
of dynamic allocations.

To avoid this allocation temporary space for the search
zio has been reserved in the vdev_queue structure.  All
access must be serialized through the vq_lock.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ned Bass <bass6@llnl.gov>
Closes #2572
2014-08-11 08:44:54 -07:00
cmd Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
config Revert "Disable GCCs aggressive loop optimization" 2014-07-22 09:56:55 -07:00
contrib Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -07:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Do not export pool to prevent cache from been removed 2014-06-05 13:49:15 -07:00
include Avoid dynamic allocation of 'search zio' 2014-08-11 08:44:54 -07:00
lib Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
man Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
module Avoid dynamic allocation of 'search zio' 2014-08-11 08:44:54 -07:00
rpm Tag zfs-0.6.3 2014-06-12 13:34:38 -07:00
scripts zpool-create.sh: allow features to be disabled 2014-07-25 11:58:31 -07:00
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 Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -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 Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -07:00
META Tag zfs-0.6.3 2014-06-12 13:34:38 -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