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Dave Chinner d6a079e82e GFS2: introduce AIL lock 
The log lock is currently used to protect the AIL lists and
the movements of buffers into and out of them. The lists
are self contained and no log specific items outside the
lists are accessed when starting or emptying the AIL lists.

Hence the operation of the AIL does not require the protection
of the log lock so split them out into a new AIL specific lock
to reduce the amount of traffic on the log lock. This will
also reduce the amount of serialisation that occurs when
the gfs2_logd pushes on the AIL to move it forward.

This reduces the impact of log pushing on sequential write
throughput.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
 		2011-03-11 11:52:25 +00:00
..
Kconfig GFS2: No longer experimental 2010-09-20 11:18:46 +01:00
Makefile GFS2: Rename eattr.[ch] as xattr.[ch] 2009-08-26 18:51:04 +01:00
acl.c GFS2: Post-VFS scale update for RCU path walk 2011-01-21 09:39:24 +00:00
acl.h fs: provide rcu-walk aware permission i_ops 2011-01-07 17:50:29 +11:00
aops.c fs: kill block_prepare_write 2010-10-25 21:18:20 -04:00
bmap.c GFS2: deallocation performance patch 2011-02-24 12:13:48 +00:00
bmap.h GFS2: New truncate sequence 2010-09-20 11:18:16 +01:00
dentry.c fs: rcu-walk aware d_revalidate method 2011-01-07 17:50:29 +11:00
dir.c GFS2: Make . and .. qstrs constant 2010-09-20 11:21:09 +01:00
dir.h GFS2: Make . and .. qstrs constant 2010-09-20 11:21:09 +01:00
export.c switch gfs2, close races 2011-01-12 20:02:46 -05:00
file.c GFS2: fix block allocation check for fallocate 2011-03-11 09:26:48 +00:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c GFS2: Optimize glock multiple-dequeue code 2011-03-11 09:24:54 +00:00
glock.h GFS2: Fix glock deallocation race 2011-03-09 10:58:04 +00:00
glops.c GFS2: introduce AIL lock 2011-03-11 11:52:25 +00:00
glops.h GFS2: Add a "demote a glock" interface to sysfs 2009-03-24 11:21:22 +00:00
incore.h GFS2: introduce AIL lock 2011-03-11 11:52:25 +00:00
inode.c GFS2: Fix error path in gfs2_lookup_by_inum() 2011-01-18 14:49:08 +00:00
inode.h GFS2: Fix error path in gfs2_lookup_by_inum() 2011-01-18 14:49:08 +00:00
lock_dlm.c GFS2: Fix glock deallocation race 2011-03-09 10:58:04 +00:00
log.c GFS2: introduce AIL lock 2011-03-11 11:52:25 +00:00
log.h GFS2: Rework reclaiming unlinked dinodes 2010-05-21 16:11:36 +01:00
lops.c GFS2: introduce AIL lock 2011-03-11 11:52:25 +00:00
lops.h [GFS2] Only do lo_incore_commit once 2008-03-31 10:39:54 +01:00
main.c GFS2: Use RCU for glock hash table 2011-01-21 09:39:08 +00:00
meta_io.c writeback: remove nonblocking/encountered_congestion references 2010-10-26 16:52:05 -07:00
meta_io.h GFS2: Metadata address space clean up 2010-03-01 14:07:37 +00:00
ops_fstype.c GFS2: introduce AIL lock 2011-03-11 11:52:25 +00:00
ops_inode.c GFS2: Post-VFS scale update for RCU path walk 2011-01-21 09:39:24 +00:00
quota.c GFS2: quota allows exceeding hard limit 2011-03-09 09:32:44 +00:00
quota.h mm: add context argument to shrinker callback 2010-07-19 14:56:17 +10:00
recovery.c GFS2: Fix spectator umount issue 2010-09-29 14:20:52 +01:00
recovery.h gfs2: use workqueue instead of slow-work 2010-07-23 13:14:25 +02:00
rgrp.c GFS2: deallocation performance patch 2011-02-24 12:13:48 +00:00
rgrp.h GFS2: deallocation performance patch 2011-02-24 12:13:48 +00:00
super.c GFS2: remove iopen glocks from cache on failed deletes 2011-01-18 14:28:29 +00:00
super.h gfs: constify xattr_handler 2010-05-21 18:31:20 -04:00
sys.c GFS2: Fix type mapping for demote_rq interface 2010-10-06 09:58:44 +01:00
sys.h GFS2: Remove ancient, unused code 2009-01-05 07:39:13 +00:00
trace_gfs2.h GFS2: Don't enforce min hold time when two demotes occur in rapid succession 2010-09-20 11:19:50 +01:00
trans.c GFS2: Various gfs2_logd improvements 2010-05-05 09:39:18 +01:00
trans.h GFS2: reserve more blocks for transactions 2010-09-28 09:44:24 +01:00
util.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
util.h GFS2: Metadata address space clean up 2010-03-01 14:07:37 +00:00
xattr.c GFS2: Clean up duplicated setattr code 2010-11-30 10:30:19 +00:00
xattr.h sanitize xattr handler prototypes 2009-12-16 12:16:49 -05:00