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Richard Yao c3d9c0df3e Linux 3.12 compat: New shrinker API 
torvalds/linux@24f7c6 introduced a new shrinker API while
torvalds/linux@a0b021 dropped support for the old shrinker API.
This patch adds support for the new shrinker API by wrapping
the old one with the new one.

This change also reorganizes the autotools checks on the shrinker
API such that the configure script will fail early if an unknown
API is encountered in the future.

Support for the set_shrinker() API which was used by Linux 2.6.22
and older has been dropped.  As a general rule compatibility is
only maintained back to Linux 2.6.26.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes zfsonlinux/zfs#1732
Closes zfsonlinux/zfs#1822
Closes #293
Closes #307
2013-11-06 13:23:40 -08:00
cmd Refresh links to web site 2013-03-04 19:09:34 -08:00
config Linux 3.12 compat: New shrinker API 2013-11-06 13:23:40 -08:00
include Linux 3.12 compat: New shrinker API 2013-11-06 13:23:40 -08:00
lib Remove autotools products 2012-08-27 11:46:23 -07:00
man Create splat man page 2013-03-19 13:47:12 -07:00
module Emulate illumos interface cv_timedwait_hires() 2013-11-04 09:49:24 -08:00
patches Reimplement rwlocks for Linux lock profiling/analysis. 2009-09-18 16:09:47 -07:00
rpm Tag spl-0.6.2 2013-08-16 15:17:35 -07:00
scripts Add kmod repo integration 2013-08-01 10:27:34 -07:00
.gitignore Ignore *.{deb,rpm,tar.gz} files in the top directory. 2013-04-24 16:18:14 -07:00
AUTHORS Refresh AUTHORS 2012-12-19 09:40:18 -08:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 11:08:46 -07:00
configure.ac Automake 1.10.1 compat: AM_SILENT_RULES 2013-04-02 16:04:19 -07:00
copy-builtin Copy spl.release.in to kernel dir 2013-06-21 15:40:04 -07:00
COPYING Public Release Prep 2010-05-17 15:18:00 -07:00
DISCLAIMER Public Release Prep 2010-05-17 15:18:00 -07:00
Makefile.am build: do not call boilerplate ourself 2013-04-02 11:08:46 -07:00
META Tag spl-0.6.2 2013-08-16 15:17:35 -07:00
README.markdown Document how to run SPLAT 2013-10-09 13:52:59 -07:00
spl.release.in Move spl.release generation to configure step 2012-07-12 12:13:47 -07:00

README.markdown

The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and do not want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.

To build packages for your distribution:

$ ./configure
$ make pkg

If you are building directly from the git tree and not an officially released tarball you will need to generate the configure script. This can be done by executing the autogen.sh script after installing the GNU autotools for your distribution.

To copy the kernel code inside your kernel source tree for builtin compilation:

$ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
$ ./copy-builtin /usr/src/linux-...

The SPL comes with an automated test suite called SPLAT. The test suite is implemented in two parts. There is a kernel module which contains the tests and a user space utility which controls which tests are run. To run the full test suite:

$ sudo insmod ./module/splat/splat.ko
$ sudo ./cmd/splat --all

Full documentation for building, configuring, testing, and using the SPL can be found at: http://zfsonlinux.org