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Brian Behlendorf a3fd9d9e15 Convert zio_buf_alloc() consumers 
In multiple cases zio_buf_alloc() was used instead of kmem_alloc()
or vmem_alloc().  This was often done because the allocations
could be large and it was easy to use zfs_buf_alloc() for them.

But this isn't ideal for allocations which are small or short
lived.  In these cases it is better to use kmem_alloc() or
vmem_alloc().  If possible we want to avoid the case where
we have slabs allocated for kmem caches which are rarely used.

Note for small allocations vmem_alloc() will be internally
converted to kmem_alloc().  Therefore as long as large
allocations are infrequent and short lived the penalty for
using vmem_alloc() is small.

Reviewed-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #5409
2016-11-30 16:18:20 -07:00
cmd Introduce ARC Buffer Data (ABD) 2016-11-30 14:48:16 -07:00
config Add -c to zpool iostat & status to run command 2016-11-29 14:45:38 -07:00
contrib Update .gitignore 2016-10-19 14:29:33 -07:00
etc Change /etc/mtab to /proc/self/mounts 2016-09-20 10:07:58 -07:00
include ABD optimized page allocation code 2016-11-29 14:34:33 -08:00
lib ABD optimized page allocation code 2016-11-29 14:34:33 -08:00
man Add -c to zpool iostat & status to run command 2016-11-29 14:45:38 -07:00
module Convert zio_buf_alloc() consumers 2016-11-30 16:18:20 -07:00
rpm Add -c to zpool iostat & status to run command 2016-11-29 14:45:38 -07:00
scripts Add paxcheck make lint target 2016-10-28 16:10:00 -07:00
tests Enable ro_props_001_pos 2016-11-30 11:27:04 -07:00
udev Allow partition aliases in vdev_id.conf (#5266) 2016-10-14 16:11:16 -07:00
.gitignore Update .gitignore 2016-10-19 14:29:33 -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 -c to zpool iostat & status to run command 2016-11-29 14:45:38 -07:00
copy-builtin Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
COPYRIGHT Update ZED copyright boilerplate 2015-05-11 15:07:00 -07:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Add paxcheck make lint target 2016-10-28 16:10:00 -07:00
META Tag 0.7.0-rc2 2016-10-26 10:36:33 -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
TEST Skip test suites on 32-bit TEST builders 2016-11-08 13:57:17 -08:00
zfs-script-config.sh.in Introduce tests for python scripts 2016-10-06 13:11:57 -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