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Steven Whitehouse 17d539f049 GFS2: Cache dir hash table in a contiguous buffer 
This patch adds a cache for the hash table to the directory code
in order to help simplify the way in which the hash table is
accessed. This is intended to be a first step towards introducing
some performance improvements in the directory code.

There are two follow ups that I'm hoping to see fairly shortly. One
is to simplify the hash table reading code now that we always read the
complete hash table, whether we want one entry or all of them. The
other is to introduce readahead on the heads of the hash chains
which are referred to from the table.

The hash table is a maximum of 128k in size, so it is not worth trying
to read it in small chunks.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
 		2011-07-15 09:31:48 +01:00
..
Kconfig GFS2: No longer experimental 2010-09-20 11:18:46 +01:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +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: Resolve inode eviction and ail list interaction bug 2011-07-14 08:59:44 +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: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +01:00
dir.h GFS2: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +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-fixes 2011-06-07 18:44:10 -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: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +01:00
glops.h GFS2: Clean up fsync() 2011-04-20 09:00:41 +01:00
incore.h GFS2: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +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
lock_dlm.c GFS2: Fix glock deallocation race 2011-03-09 10:58:04 +00:00
log.c GFS2: Resolve inode eviction and ail list interaction bug 2011-07-14 08:59:44 +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 [GFS2] Only do lo_incore_commit once 2008-03-31 10:39:54 +01:00
main.c GFS2: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +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: Fix race during filesystem mount 2011-07-12 09:15:46 +01:00
quota.c vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
quota.h vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
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: Cache dir hash table in a contiguous buffer 2011-07-15 09:31:48 +01:00
super.h gfs: constify xattr_handler 2010-05-21 18:31:20 -04:00
sys.c GFS2: Fix race during filesystem mount 2011-07-12 09:15:46 +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