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26b06a6958
linux/fs/gfs2
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Steven Whitehouse 26b06a6958 GFS2: Wait properly when flushing the ail list 
The ail flush code has always relied upon log flushing to prevent
it from spinning needlessly. This fixes it to wait on the last
I/O request submitted (we don't need to wait for all of it)
instead of either spinning with io_schedule or sleeping.

As a result cpu usage of gfs2_logd is much reduced with certain
workloads.

Reported-by: Abhijith Das <adas@redhat.com>
Tested-by: Abhijith Das <adas@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2011-05-21 19:21:07 +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 GFS2: Improve bug trap code in ->releasepage() 2011-05-03 11:49:19 +01:00
bmap.c GFS2: Wipe directory hash table metadata when deallocating a directory 2011-05-21 14:05:58 +01:00
bmap.h GFS2: New truncate sequence 2010-09-20 11:18:16 +01:00
dentry.c gfs2: fix d_revalidate oopsen on NFS exports 2011-03-10 03:44:48 -05:00
dir.c GFS2: When adding a new dir entry, inc link count if it is a subdir 2011-05-09 16:43:53 +01:00
dir.h GFS2: When adding a new dir entry, inc link count if it is a subdir 2011-05-09 16:43:53 +01:00
export.c GFS2: Make writeback more responsive to system conditions 2011-04-20 09:01:37 +01:00
file.c GFS2: make sure fallocate bytes is a multiple of blksize 2011-05-03 11:47:42 +01:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw 2011-05-20 13:28:45 -07:00
glock.h GFS2: Alter point of entry to glock lru list for glocks with an address_space 2011-04-20 08:59:48 +01:00
glops.c GFS2: Move gfs2_refresh_inode() and friends into glops.c 2011-05-09 16:44:49 +01:00
glops.h GFS2: Clean up fsync() 2011-04-20 09:00:41 +01:00
incore.h GFS2: Use UUID field in generic superblock 2011-05-10 15:01:59 +01:00
inode.c GFS2: Move all locking inside the inode creation function 2011-05-13 12:11:17 +01:00
inode.h GFS2: Clean up symlink creation 2011-05-13 10:34:59 +01:00
Kconfig GFS2: No longer experimental 2010-09-20 11:18:46 +01:00
lock_dlm.c GFS2: Fix glock deallocation race 2011-03-09 10:58:04 +00:00
log.c GFS2: Wait properly when flushing the ail list 2011-05-21 19:21:07 +01:00
log.h GFS2: Make writeback more responsive to system conditions 2011-04-20 09:01:37 +01:00
lops.c GFS2: Optimise glock lru and end of life inodes 2011-04-20 09:01:17 +01:00
lops.h
main.c GFS2: Optimise glock lru and end of life inodes 2011-04-20 09:01:17 +01:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +01:00
meta_io.c GFS2: Improve tracing support (adds two flags) 2011-04-20 09:00:59 +01:00
meta_io.h GFS2: Remove unused macro 2011-04-20 09:00:24 +01:00
ops_fstype.c GFS2: Use UUID field in generic superblock 2011-05-10 15:01:59 +01:00
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: Wipe directory hash table metadata when deallocating a directory 2011-05-21 14:05:58 +01:00
rgrp.h GFS2: deallocation performance patch 2011-02-24 12:13:48 +00:00
super.c GFS2: Move final part of inode.c into super.c 2011-05-09 16:45:38 +01:00
super.h gfs: constify xattr_handler 2010-05-21 18:31:20 -04:00
sys.c GFS2: Use UUID field in generic superblock 2011-05-10 15:01:59 +01:00
sys.h GFS2: Remove ancient, unused code 2009-01-05 07:39:13 +00:00
trace_gfs2.h GFS2: Add an AIL writeback tracepoint 2011-04-20 09:01:58 +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