Kirill A. Shutemov 8c0a853770 fs: push rcu_barrier() from deactivate_locked_super() to filesystems ...

There's no reason to call rcu_barrier() on every
deactivate_locked_super().  We only need to make sure that all delayed rcu
free inodes are flushed before we destroy related cache.

Removing rcu_barrier() from deactivate_locked_super() affects some fast
paths.  E.g.  on my machine exit_group() of a last process in IPC
namespace takes 0.07538s.  rcu_barrier() takes 0.05188s of that time.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2012-10-02 21:35:55 -04:00

..

budget.c

writeback: Add a 'reason' to wb_writeback_work

2011-10-31 00:33:36 +08:00

commit.c

UBIFS: get rid of dbg_err

2012-05-16 20:11:23 +03:00

compress.c

…

debug.c

UBIFS: add debugfs knob to switch to R/O mode

2012-07-20 10:27:25 +03:00

debug.h

UBIFS: fix complaints about too small debug buffer size

2012-08-22 11:51:33 +03:00

dir.c

Merge tag 'upstream-3.6-rc1' of git://git.infradead.org/linux-ubifs

2012-07-23 15:50:52 -07:00

file.c

UBIFS: nuke pdflush from comments

2012-08-04 12:15:41 +04:00

find.c

UBIFS: fix assertion

2012-06-18 14:17:08 +03:00

gc.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

io.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

ioctl.c

vfs: mnt_drop_write_file()

2012-01-03 22:52:40 -05:00

journal.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

Kconfig

UBIFS: remove Kconfig debugging option

2012-05-16 19:53:46 +03:00

key.h

…

log.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

lprops.c

UBIFS: remove Kconfig debugging option

2012-05-16 19:53:46 +03:00

lpt_commit.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

lpt.c

UBIFS: fix crash on error path

2012-08-21 15:25:24 +03:00

Makefile

UBIFS: remove Kconfig debugging option

2012-05-16 19:53:46 +03:00

master.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

misc.h

UBIFS: introduce more I/O helpers

2011-07-04 10:54:33 +03:00

orphan.c

UBIFS: remove invalid reference to list iterator variable

2012-07-20 10:27:25 +03:00

recovery.c

UBIFS: fix error messages spelling

2012-08-22 17:41:09 +03:00

replay.c

UBIFS: fix replay regression

2012-08-21 15:25:25 +03:00

sb.c

UBIFS: fix a bug in empty space fix-up

2012-07-20 10:13:27 +03:00

scan.c

UBIFS: get rid of dbg_err

2012-05-16 20:11:23 +03:00

shrinker.c

UBIFS: fix shrinker object count reports

2011-06-03 18:12:24 +03:00

super.c

fs: push rcu_barrier() from deactivate_locked_super() to filesystems

2012-10-02 21:35:55 -04:00

tnc_commit.c

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

tnc_misc.c

UBIFS: get rid of dbg_err

2012-05-16 20:11:23 +03:00

tnc.c

Merge tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifs

2012-05-22 19:30:27 -07:00

ubifs-media.h

UBIFS: add a superblock flag for free space fix-up

2011-05-16 14:12:14 +03:00

ubifs.h

UBI: Kill data type hint

2012-05-20 20:25:59 +03:00

xattr.c

Merge tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifs

2012-05-22 19:30:27 -07:00