svn commit: r286763 - in head/sys: cddl/contrib/opensolaris/uts/common cddl/contrib/opensolaris/uts/common/fs/zfs cddl/contrib/opensolaris/uts/common/fs/zfs/sys conf

[Andriy Gapon]

On 14/08/2015 12:42, Alexander Motin wrote:
> On 14.08.2015 12:39, Andriy Gapon wrote:
>> On 14/08/2015 12:31, Alexander Motin wrote:
>>> Author: mav
>>> Date: Fri Aug 14 09:31:07 2015
>>> New Revision: 286763
>>> URL: https://svnweb.freebsd.org/changeset/base/286763
>>>
>>> Log:
>>>   MFV r277431: 5497 lock contention on arcs_mtx
>>>   
>>>   Reviewed by: George Wilson <george.wilson at delphix.com>
>>>   Reviewed by: Matthew Ahrens <mahrens at delphix.com>
>>>   Reviewed by: Richard Elling <richard.elling at richardelling.com>
>>>   Approved by: Dan McDonald <danmcd at omniti.com>
>>>   Author: Prakash Surya <prakash.surya at delphix.com>
>>>   
>>>   illumos/illumos-gate at 244781f10dcd82684fd8163c016540667842f203
>>>   
>>>   This patch attempts to reduce lock contention on the current arc_state_t
>>>   mutexes. These mutexes are used liberally to protect the number of LRU
>>>   lists within the ARC (e.g. ARC_mru, ARC_mfu, etc). The granularity at
>>>   which these locks are acquired has been shown to greatly affect the
>>>   performance of highly concurrent, cached workloads.
>>>
>>> Added:
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/multilist.c   (contents, props changed)
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/multilist.h   (contents, props changed)
>>> Modified:
>>>   head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/arc.h
>>>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio_inject.c
>>>   head/sys/conf/files
>>> Directory Properties:
>>>   head/sys/cddl/contrib/opensolaris/   (props changed)
>>>
>>> Modified: head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files
>>> ==============================================================================
>>> --- head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files	Fri Aug 14 09:25:54 2015	(r286762)
>>> +++ head/sys/cddl/contrib/opensolaris/uts/common/Makefile.files	Fri Aug 14 09:31:07 2015	(r286763)
>>> @@ -68,6 +68,7 @@ ZFS_COMMON_OBJS +=		\
>>>  	lz4.o			\
>>>  	lzjb.o			\
>>>  	metaslab.o		\
>>> +	multilist.o		\
>>>  	range_tree.o		\
>>>  	refcount.o		\
>>>  	rrwlock.o		\
>>
>> Thank you!
>> The new file also has to be added to sys/conf/files for those who
>> compile ZFS into a kernel.
> 
> And it was added just below. Have I missed something?
> 

Oops, sorry for the noise.

-- 
Andriy Gapon