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Brian Behlendorf fadd0c4da1 Evict meta data from ghost lists + l2arc headers 
When the meta limit is exceeded the ARC evicts some meta data
buffers from the mfu+mru lists.  Unfortunately, for meta data
heavy workloads it's possible for these buffers to accumulate
on the ghost lists if arc_c doesn't exceed arc_size.

To handle this case arc_adjust_meta() has been entended to
explicitly evict meta data buffers from the ghost lists in
proportion to what was evicted from the mfu+mru lists.

If this is insufficient we request that the VFS release
some inodes and dentries.  This will result in the release
of some dnodes which are counted as 'other' metadata.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2013-08-09 10:06:12 -07:00
cmd Fix 'zpool list -H' error code 2013-07-23 12:39:05 -07:00
config Fix arc_adapt() spinning in iterate_supers_type() 2013-07-17 09:28:06 -07:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Improve OpenRC init script 2013-06-18 17:03:25 -07:00
include Illumos #3964 L2ARC should always compress metadata buffers 2013-08-08 13:37:00 -07:00
lib Fix zpool_read_label() 2013-07-09 16:02:04 -07:00
man Fix man page for the sync property 2013-08-07 16:10:21 -07:00
module Evict meta data from ghost lists + l2arc headers 2013-08-09 10:06:12 -07:00
patches Adding grub2 mkconfig support patch 2012-07-30 16:17:23 -07:00
rpm Add kmod repo integration 2013-08-01 09:48:07 -07:00
scripts Add kmod repo integration 2013-08-01 09:48:07 -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
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 Modified arcstat.py to run on linux 2013-06-18 15:43:15 -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 build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
META Tag zfs-0.6.1 2013-03-26 08:50:29 -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 Retire zpool_id infrastructure 2013-01-29 12:23:17 -08:00
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