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OpenZFS on Linux and FreeBSD
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Kevin Tanguy 0194e4a03c Add support for recent kmem_cache_create_usercopy 
SLAB_USERCOPY flag was used to indicate PAX
not to kill copies from kernel to userland.

With recent grsecurity patchset and
CONFIG_GRKERNSEC_HIDESYM that enables
CONFIG_PAX_USERCOPY zfs would panic.

Handle newer API while keeping old one functional.

Tested-by: RageLtMan <rageltman@sempervictus>
Reviewed-by: spendergrsec <spender@grsecurity.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Kevin Tanguy <kevin.tanguy@ovh.net>
Closes #595
 		2017-01-17 12:05:14 -08:00
cmd Add a script to display SPL slab cache statistics 2015-12-02 14:08:08 -08:00
config Add support for recent kmem_cache_create_usercopy 2017-01-17 12:05:14 -08:00
include Add support for rw semaphore under PREEMPT_RT_FULL 2016-12-19 12:45:24 -08:00
lib Remove autotools products 2012-08-27 11:46:23 -07:00
man Limit number of tasks shown in taskq proc 2016-12-01 11:06:27 -07:00
module Add support for recent kmem_cache_create_usercopy 2017-01-17 12:05:14 -08:00
rpm Remove RPM package restriction 2016-03-10 09:19:08 -08:00
scripts Fix spl check.sh script 2016-09-14 17:17:00 -07:00
.gitignore Add gitignore entry for spl-*.o.d files 2016-08-01 12:42:55 -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 0.7.0-rc2 2016-10-25 13:13:49 -07:00
Makefile.am Support parallel build trees (VPATH builds) 2015-07-17 12:53:11 -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 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
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