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Prakash Surya 44217f7aad Implement taskq_dispatch_prealloc() interface 
This patch implements the taskq_dispatch_prealloc() interface which
was introduced by the following illumos-gate commit.  It allows for
a preallocated taskq_ent_t to be used when dispatching items to a
taskq.  This eliminates a memory allocation which helps minimize
lock contention in the taskq when dispatching functions.

    commit 5aeb94743e3be0c51e86f73096334611ae3a058e
    Author: Garrett D'Amore <garrett@nexenta.com>
    Date:   Wed Jul 27 07:13:44 2011 -0700

    734 taskq_dispatch_prealloc() desired
    943 zio_interrupt ends up calling taskq_dispatch with TQ_SLEEP

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #65
2011-12-13 16:10:57 -08:00
cmd Support custom build directories 2010-09-05 21:49:05 -07:00
config Linux 3.1 compat, vfs_fsync() 2011-11-09 19:36:21 -08:00
include Implement taskq_dispatch_prealloc() interface 2011-12-13 16:10:57 -08:00
lib Support custom build directories 2010-09-05 21:49:05 -07:00
module Implement taskq_dispatch_prealloc() interface 2011-12-13 16:10:57 -08:00
patches Reimplement rwlocks for Linux lock profiling/analysis. 2009-09-18 16:09:47 -07:00
scripts Load zlib_inflate.ko 2011-03-22 12:18:44 -07:00
.gitignore Ignore unsigned module build products 2010-03-11 14:29:17 -08:00
AUTHORS Public Release Prep 2010-05-17 15:18:00 -07:00
autogen.sh Public Release Prep 2010-05-17 15:18:00 -07:00
ChangeLog Prep for spl-0.5.0 tag 2010-08-13 09:33:50 -07:00
configure Linux 3.1 compat, vfs_fsync() 2011-11-09 19:36:21 -08:00
configure.ac Support custom build directories 2010-09-05 21:49:05 -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
INSTALL Public Release Prep 2010-05-17 15:18:00 -07:00
Makefile.am Support custom build directories 2010-09-05 21:49:05 -07:00
Makefile.in Avoid 'rpm -q' bug for 'make pkg' 2011-06-16 11:49:38 -07:00
META Prep spl-0.6.0-rc6 tag 2011-10-06 14:58:09 -07:00
README.markdown Fix markdown rendering 2010-09-15 09:05:34 -07:00
spl_config.h.in Linux 3.1 compat, vfs_fsync() 2011-11-09 19:36:21 -08:00
spl-modules.spec.in Fix depmod warning 2011-11-10 10:36:30 -08:00
spl.spec.in Include distribution in release 2011-10-19 11:41:15 -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 don’t want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.

To build packages for your distribution:

$ ./configure
$ make pkg

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