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Ryusuke Konishi 11475975dd nilfs2: flush disk caches in syncing 
There are two cases that the cache flush is needed to avoid data loss
against unexpected hang or power failure.  One is sync file function (i.e.
 nilfs_sync_file) and another is checkpointing ioctl.

This issues a cache flush request to device for such cases if barrier
mount option is enabled, and makes sure data really is on persistent
storage on their completion.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-05-31 17:49:27 -07:00
..
Kconfig Revert "task_struct: make journal_info conditional" 2009-12-17 13:23:24 -08:00
Makefile nilfs2: get rid of GCDAT inode 2010-10-23 09:24:38 +09:00
alloc.c nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
alloc.h nilfs2: use little-endian bitops 2011-03-23 19:46:18 -07:00
bmap.c nilfs2: get rid of NILFS_I_NILFS 2011-05-10 22:21:56 +09:00
bmap.h nilfs2: record used amount of each checkpoint in checkpoint list 2011-03-08 14:58:31 +09:00
btnode.c nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
btnode.h nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
btree.c nilfs2: fix missing block address termination in btree node shrinking 2011-06-11 15:51:15 +09:00
btree.h nilfs2: get rid of nilfs_bmap_union 2010-07-23 10:02:14 +09:00
cpfile.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
cpfile.h nilfs2: use iget for all metadata files 2010-10-23 09:24:38 +09:00
dat.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
dat.h nilfs2: use iget for all metadata files 2010-10-23 09:24:38 +09:00
dir.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
direct.c nilfs2: record used amount of each checkpoint in checkpoint list 2011-03-08 14:58:31 +09:00
direct.h nilfs2: get rid of nilfs_bmap_union 2010-07-23 10:02:14 +09:00
export.h nilfs2: make snapshots in checkpoint tree exportable 2010-10-23 09:24:34 +09:00
file.c nilfs2: flush disk caches in syncing 2012-05-31 17:49:27 -07:00
gcinode.c nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
ifile.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
ifile.h nilfs2: use iget for all metadata files 2010-10-23 09:24:38 +09:00
inode.c vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ioctl.c nilfs2: flush disk caches in syncing 2012-05-31 17:49:27 -07:00
mdt.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
mdt.h nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
namei.c vfs: make it possible to access the dentry hash/len as one 64-bit entry 2012-05-10 19:54:35 -07:00
nilfs.h nilfs: propagate umode_t 2012-01-03 22:55:04 -05:00
page.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
page.h nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
recovery.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
segbuf.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
segbuf.h nilfs2: get rid of macros for segment summary information 2010-07-23 10:02:09 +09:00
segment.c freezer: unexport refrigerator() and update try_to_freeze() slightly 2011-11-21 12:32:22 -08:00
segment.h nilfs2: get rid of private page allocator 2011-05-10 22:21:44 +09:00
sufile.c nilfs2: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:24 +08:00
sufile.h nilfs2: get rid of NILFS_I_NILFS 2011-05-10 22:21:56 +09:00
super.c switch open-coded instances of d_make_root() to new helper 2012-03-20 21:29:35 -04:00
the_nilfs.c nilfs2: fix NULL pointer dereference in nilfs_load_super_block() 2012-03-16 17:14:44 -07:00
the_nilfs.h nilfs2: implement resize ioctl 2011-05-10 22:21:46 +09:00