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LOLi cd47801828 Avoid WARN() from procfs on kstat collision 
When we load a ZFS pool having spa_name equals to some existing kstat
we would have to create a duplicate entry, which procfs doesn't like.

For instance a ZFS pool named "zil" would have its kstat "txgs"
(module "zfs/zil") intalled under "/proc/spl/kstat/zfs/zil":
unfortunately we already have a kstat named "zil" (module "zfs")
installed in the same procfs location.

Avoid this issue by skipping the duplicate entry creation in procfs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #628
2017-07-24 10:52:53 -07:00
cmd Improve gitignore 2017-05-25 10:12:50 -07:00
config Linux 4.13 compat: wait queues 2017-07-23 19:32:14 -07:00
include Linux 4.13 compat: wait queues 2017-07-23 19:32:14 -07:00
lib glibc 2.25 compat: remove assert(X=Y) 2017-04-03 13:33:48 -07:00
man Limit number of tasks shown in taskq proc 2016-12-01 11:06:27 -07:00
module Avoid WARN() from procfs on kstat collision 2017-07-24 10:52:53 -07:00
rpm Fix powerpc build 2017-03-06 09:16:22 -08:00
scripts Fix spl check.sh script 2016-09-14 17:17:00 -07:00
.gitignore Improve gitignore 2017-05-25 10:12:50 -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 Add a script to display SPL slab cache statistics 2015-12-02 14:08:08 -08:00
copy-builtin Ensure spl/ only occurs once in core-y 2016-01-26 11:54:24 -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
Makefile.am Support parallel build trees (VPATH builds) 2015-07-17 12:53:11 -07:00
META Tag 0.7.0-rc5 2017-07-13 12:07:59 -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