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linux-2.6
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linux-2.6/fs/afs
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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
..
Kconfig DNS: Make AFS go to the DNS for AFSDB records for unknown cells 2010-08-05 17:17:51 +00:00
Makefile FS-Cache: Make kAFS use FS-Cache 2009-04-03 16:42:41 +01:00
afs.h AFS: implement file locking 2007-07-16 09:05:43 -07:00
afs_cm.h afs: support the CB.ProbeUuid RPC op 2008-04-29 08:06:26 -07:00
afs_fs.h AFS: implement file locking 2007-07-16 09:05:43 -07:00
afs_vl.h AFS: Fix silly characters in a comment 2011-07-20 20:48:03 -04:00
cache.c Fix common misspellings 2011-03-31 11:26:23 -03:00
callback.c Fix various old email addresses for dwmw2 2008-06-06 11:29:10 -07:00
cell.c Fix common misspellings 2011-03-31 11:26:23 -03:00
cmservice.c afs: add afs_wq and use it instead of the system workqueue 2011-01-14 09:25:11 -08:00
dir.c don't pass nameidata to ->create() 2012-07-14 16:34:47 +04:00
file.c AFS: checking wrong bit in afs_readpages() 2012-03-20 11:14:38 -07:00
flock.c fs/locks.c: prepare for BKL removal 2010-10-05 11:02:04 +02:00
fsclient.c afs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:22 +08:00
inode.c vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
internal.h afs: Read of file returns EBADMSG 2012-03-16 17:01:41 -07:00
main.c afs: add afs_wq and use it instead of the system workqueue 2011-01-14 09:25:11 -08:00
misc.c AFS: Correctly translate auth error aborts and don't failover in such cases 2009-06-16 21:20:14 -07:00
mntpt.c stop passing nameidata to ->lookup() 2012-07-14 16:34:32 +04:00
netdevices.c afs: BUG to BUG_ON changes 2009-04-09 10:41:19 -07:00
proc.c AFS: Implement an autocell mount capability [ver #2] 2010-08-11 17:11:29 +00:00
rxrpc.c afs: Remote abort can cause BUG in rxrpc code 2012-03-16 17:01:41 -07:00
security.c ->permission() sanitizing: don't pass flags to ->permission() 2011-07-20 01:43:24 -04:00
server.c afs: add afs_wq and use it instead of the system workqueue 2011-01-14 09:25:11 -08:00
super.c fs: push rcu_barrier() from deactivate_locked_super() to filesystems 2012-10-02 21:35:55 -04:00
vlclient.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
vlocation.c afs: add afs_wq and use it instead of the system workqueue 2011-01-14 09:25:11 -08:00
vnode.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
volume.c afs: add bdi backing to mount session. 2010-04-22 11:58:18 +02:00
write.c fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers 2011-07-20 20:47:59 -04:00