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Prakash Surya 39e055c44b Adjust arc_p based on "bytes" in arc_shrink 
In an attempt to prevent arc_c from collapsing "too fast", the
arc_shrink() function was updated to take a "bytes" parameter by this
change:

    commit 302f753f16
    Author: Brian Behlendorf <behlendorf1@llnl.gov>
    Date:   Tue Mar 13 14:29:16 2012 -0700

        Integrate ARC more tightly with Linux

Unfortunately, that change failed to make a similar change to the way
that arc_p was updated. So, there still exists the possibility for arc_p
to collapse to near 0 when the kernel start calling the arc's shrinkers.

This change attempts to fix this, by decrementing arc_p by the "bytes"
parameter in the same way that arc_c is updated.

In addition, a minimum value of arc_p is attempted to be maintained,
similar to the way a minimum arc_p value is maintained in arc_adapt().

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2110
2014-02-21 14:53:08 -08:00
cmd Add erratum for issue #2094 2014-02-21 12:10:40 -08:00
config Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
include Add erratum for issue #2094 2014-02-21 12:10:40 -08:00
lib Add generic errata infrastructure 2014-02-21 12:10:40 -08:00
man Implement relatime. 2014-01-29 15:50:44 -08:00
module Adjust arc_p based on "bytes" in arc_shrink 2014-02-21 14:53:08 -08:00
patches Adding grub2 mkconfig support patch 2012-07-30 16:17:23 -07:00
rpm Add explicit Conflicts for zfs-fuse packages 2014-02-10 15:54:27 -08:00
scripts Add zimport.sh compatibility test script 2014-02-21 12:10:31 -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 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 systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
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 cstyle: Exclude several files from 'make checkstyle' 2013-12-18 16:46:35 -08:00
META Tag zfs-0.6.2 2013-08-22 13:33:26 -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