Steven Whitehouse d2a97a4e99 GFS2: Use kmalloc when possible for ->readdir() ... If we don't need a huge amount of memory in ->readdir() then we can use kmalloc rather than vmalloc to allocate it. This should cut down on the greater overheads associated with vmalloc for smaller directories. We may be able to eliminate vmalloc entirely at some stage, but this is easy to do right away. Also using GFP_NOFS to avoid any issues wrt to deleting inodes while under a glock, and suggestion from Linus to factor out the alloc/dealloc. I've given this a test with a variety of different sized directories and it seems to work ok. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nick Piggin <npiggin@suse.de> Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2010-07-28 11:10:03 -07:00
..
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	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
bmap.c	GFS2: O_TRUNC not working on stuffed files across cluster	2010-07-15 09:05:17 +01:00
bmap.h	GFS2: Streamline alloc calculations for writes	2009-01-05 07:39:17 +00:00
dentry.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
dir.c	GFS2: Use kmalloc when possible for ->readdir()	2010-07-28 11:10:03 -07:00
dir.h	GFS2: Fix bug in gfs2_lock_fs_check_clean()	2009-01-05 07:39:11 +00:00
export.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw	2010-05-21 07:29:15 -07:00
file.c	drop unused dentry argument to ->fsync	2010-05-27 22:05:02 -04:00
gfs2.h
glock.c	mm: add context argument to shrinker callback	2010-07-19 14:56:17 +10:00
glock.h	GFS2: Metadata address space clean up	2010-03-01 14:07:37 +00:00
glops.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
glops.h	GFS2: Add a "demote a glock" interface to sysfs	2009-03-24 11:21:22 +00:00
incore.h	GFS2: Add some useful messages	2010-05-06 11:03:29 +01:00
inode.c	GFS2: Fix kernel NULL pointer dereference by dlm_astd	2010-07-15 09:06:25 +01:00
inode.h	GFS2: Rework reclaiming unlinked dinodes	2010-05-21 16:11:36 +01:00
Kconfig	GFS2: do not select QUOTA	2010-03-09 10:08:36 +00:00
lock_dlm.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
log.c	GFS2: Rework reclaiming unlinked dinodes	2010-05-21 16:11:36 +01:00
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
main.c	GFS2: Remove space from slab cache name	2010-03-29 14:26:49 +01:00
Makefile	GFS2: Rename eattr.[ch] as xattr.[ch]	2009-08-26 18:51:04 +01:00
meta_io.c	GFS2: Eliminate useless err variable	2010-05-12 09:52:50 +01:00
meta_io.h	GFS2: Metadata address space clean up	2010-03-01 14:07:37 +00:00
ops_fstype.c	GFS2: Various gfs2_logd improvements	2010-05-05 09:39:18 +01:00
ops_inode.c	kill spurious reference to vmtruncate	2010-05-27 22:15:42 -04:00
quota.c	mm: add context argument to shrinker callback	2010-07-19 14:56:17 +10:00
quota.h	mm: add context argument to shrinker callback	2010-07-19 14:56:17 +10:00
recovery.c	GFS2: Tag all metadata with jid	2009-12-03 11:58:47 +00:00
recovery.h	GFS2: Umount recovery race fix	2009-05-19 10:01:18 +01:00
rgrp.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes	2010-05-25 08:17:51 -07:00
rgrp.h	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
super.c	GFS2: Add some useful messages	2010-05-06 11:03:29 +01:00
super.h	gfs: constify xattr_handler	2010-05-21 18:31:20 -04:00
sys.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw	2010-05-21 07:29:15 -07:00
sys.h	GFS2: Remove ancient, unused code	2009-01-05 07:39:13 +00:00
trace_gfs2.h	tracing/events: Move TRACE_SYSTEM outside of include guard	2009-07-13 10:59:55 +02:00
trans.c	GFS2: Various gfs2_logd improvements	2010-05-05 09:39:18 +01:00
trans.h
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	gfs: constify xattr_handler	2010-05-21 18:31:20 -04:00
xattr.h	sanitize xattr handler prototypes	2009-12-16 12:16:49 -05:00