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Brian Behlendorf 4cdcdbff63 Fix DKMS package upgrade and packager
Running 'yum upgrade spl-dkms' package could appear to work properly
and still leave you with no spl modules installed.  This will occur
when only the spl release, and not the version, are incremented.
This may be the case for a fast moving spl-testing repository.

During the upgrade process DKMS will realize that spl-x.y.z is already
installed and remove it.  DKMS then correctly builds the new modules
for spl-x.y.z.  However, as a final step when the old spl-x.y.z-r is
removed the %preun script runs and removes the newly build modules.
To handle this case the %preun script has been updated to only run
when the installed version exactly matches the full spec file version.

This change also updated ChangeLog section based on the DKMS
reference spec file.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2014-05-30 11:20:51 -07:00
cmd Refresh links to web site 2013-03-04 19:09:34 -08:00
config Restrict release number to META version 2014-05-29 19:08:03 -07:00
include Add spl_kmem_cache_reclaim module option 2014-05-22 10:30:12 -07:00
lib Remove autotools products 2012-08-27 11:46:23 -07:00
man Evenly distribute the taskq threads across available CPUs 2014-04-25 15:29:18 -07:00
module Add spl_kmem_cache_reclaim module option 2014-05-22 10:30:12 -07:00
patches Reimplement rwlocks for Linux lock profiling/analysis. 2009-09-18 16:09:47 -07:00
rpm Fix DKMS package upgrade and packager 2014-05-30 11:20:51 -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
COPYING Public Release Prep 2010-05-17 15:18:00 -07:00
DISCLAIMER Public Release Prep 2010-05-17 15:18:00 -07:00
META Tag spl-0.6.2 2013-08-16 15:17:35 -07:00
Makefile.am build: do not call boilerplate ourself 2013-04-02 11:08:46 -07:00
README.markdown Document how to run SPLAT 2013-10-09 13:52:59 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 11:08:46 -07:00
configure.ac Document SPL module parameters. 2013-11-21 12:32:41 -08:00
copy-builtin Copy spl.release.in to kernel dir 2013-06-21 15:40:04 -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