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fb045adb99
linux/fs/gfs2
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Nick Piggin fb045adb99 fs: dcache reduce branches in lookup path 
Reduce some branches and memory accesses in dcache lookup by adding dentry
flags to indicate common d_ops are set, rather than having to check them.
This saves a pointer memory access (dentry->d_op) in common path lookup
situations, and saves another pointer load and branch in cases where we
have d_op but not the particular operation.

Patched with:

git grep -E '[.>]([[:space:]])*d_op([[:space:]])*=' | xargs sed -e 's/\([^\t ]*\)->d_op = \(.*\);/d_set_d_op(\1, \2);/' -e 's/\([^\t ]*\)\.d_op = \(.*\);/d_set_d_op(\&\1, \2);/' -i

Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-07 17:50:28 +11:00
..
acl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes 2010-05-25 08:17:51 -07:00
acl.h gfs: constify xattr_handler 2010-05-21 18:31:20 -04:00
aops.c fs: kill block_prepare_write 2010-10-25 21:18:20 -04:00
bmap.c GFS2: reserve more blocks for transactions 2010-09-28 09:44:24 +01:00
bmap.h GFS2: New truncate sequence 2010-09-20 11:18:16 +01:00
dentry.c fs: change d_hash for rcu-walk 2011-01-07 17:50:20 +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 fs: dcache reduce branches in lookup path 2011-01-07 17:50:28 +11:00
file.c locks: let the caller free file_lock on ->setlease failure 2010-10-31 06:35:15 -07:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c GFS2: Fix inode deallocation race 2010-11-15 12:44:42 +00:00
glock.h GFS2: fixed typo 2010-10-18 14:38:07 +01:00
glops.c GFS2: Fix type mapping for demote_rq interface 2010-10-06 09:58:44 +01:00
glops.h GFS2: Add a "demote a glock" interface to sysfs 2009-03-24 11:21:22 +00:00
incore.h GFS2: Improve journal allocation via sysfs 2010-09-29 15:04:18 +01:00
inode.c GFS2: Fix inode deallocation race 2010-11-15 12:44:42 +00:00
inode.h GFS2: Fix inode deallocation race 2010-11-15 12:44:42 +00:00
Kconfig GFS2: No longer experimental 2010-09-20 11:18:46 +01:00
lock_dlm.c GFS2: Update handling of DLM return codes to match reality 2010-09-20 11:20:12 +01:00
log.c Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier 2010-10-19 09:13:04 +02:00
log.h GFS2: Rework reclaiming unlinked dinodes 2010-05-21 16:11:36 +01:00
lops.c GFS2: Various gfs2_logd improvements 2010-05-05 09:39:18 +01:00
lops.h [GFS2] Only do lo_incore_commit once 2008-03-31 10:39:54 +01:00
main.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2010-10-22 17:13:10 -07:00
Makefile GFS2: Rename eattr.[ch] as xattr.[ch] 2009-08-26 18:51:04 +01:00
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 fs: dcache reduce branches in lookup path 2011-01-07 17:50:28 +11:00
ops_inode.c fs: dcache reduce branches in lookup path 2011-01-07 17:50:28 +11:00
quota.c GFS2: Userland expects quota limit/warn/usage in 512b blocks 2010-11-19 11:20:29 +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: Fix inode deallocation race 2010-11-15 12:44:42 +00:00
rgrp.h GFS2 fatal: filesystem consistency error on rename 2010-09-30 17:23:03 +01:00
super.c fs: icache RCU free inodes 2011-01-07 17:50:26 +11:00
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: reserve more blocks for transactions 2010-09-28 09:44:24 +01:00
xattr.h sanitize xattr handler prototypes 2009-12-16 12:16:49 -05:00