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02b9984d64
kernel-ark/fs/ubifs
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Theodore Ts'o 02b9984d64 fs: push sync_filesystem() down to the file system's remount_fs() 
Previously, the no-op "mount -o mount /dev/xxx" operation when the
file system is already mounted read-write causes an implied,
unconditional syncfs().  This seems pretty stupid, and it's certainly
documented or guaraunteed to do this, nor is it particularly useful,
except in the case where the file system was mounted rw and is getting
remounted read-only.

However, it's possible that there might be some file systems that are
actually depending on this behavior.  In most file systems, it's
probably fine to only call sync_filesystem() when transitioning from
read-write to read-only, and there are some file systems where this is
not needed at all (for example, for a pseudo-filesystem or something
like romfs).

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-fsdevel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Cc: Jan Kara <jack@suse.cz>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Anders Larsen <al@alarsen.net>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: Petr Vandrovec <petr@vandrovec.name>
Cc: xfs@oss.sgi.com
Cc: linux-btrfs@vger.kernel.org
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Cc: codalist@coda.cs.cmu.edu
Cc: linux-ext4@vger.kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net
Cc: fuse-devel@lists.sourceforge.net
Cc: cluster-devel@redhat.com
Cc: linux-mtd@lists.infradead.org
Cc: jfs-discussion@lists.sourceforge.net
Cc: linux-nfs@vger.kernel.org
Cc: linux-nilfs@vger.kernel.org
Cc: linux-ntfs-dev@lists.sourceforge.net
Cc: ocfs2-devel@oss.oracle.com
Cc: reiserfs-devel@vger.kernel.org
2014-03-13 10:14:33 -04:00
..
budget.c No big changes for 3.7 in UBIFS: 2012-10-02 20:47:48 -07:00
commit.c UBIFS: print less 2012-08-31 17:32:58 +03:00
compress.c UBIFS: comply with coding style 2012-08-31 17:32:57 +03:00
debug.c fs/ubifs: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
debug.h UBIFS: print less 2012-08-31 17:32:58 +03:00
dir.c ubifs: switch to %pd 2013-10-24 23:34:51 -04:00
file.c mm: change invalidatepage prototype to accept length 2013-05-21 23:17:23 -04:00
find.c UBIFS: fix mounting problems after power cuts 2012-10-26 16:26:44 +03:00
gc.c UBIFS: remove unnecessary code in ubifs_garbage_collect 2013-10-22 13:34:27 +01:00
io.c UBI: Kill data type hint 2012-05-20 20:25:59 +03:00
ioctl.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
journal.c ubifs: switch to %pd 2013-10-24 23:34:51 -04:00
Kconfig UBIFS: remove Kconfig debugging option 2012-05-16 19:53:46 +03:00
key.h
log.c fs/ubifs: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
lprops.c UBIFS: introduce categorized lprops counter 2012-10-26 16:00:26 +03:00
lpt_commit.c UBIFS: rename random32() to prandom_u32() 2013-01-15 15:45:27 +02:00
lpt.c UBIFS: print less 2012-08-31 17:32:58 +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 fs/ubifs: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
recovery.c fs/ubifs: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
replay.c UBIFS: print less 2012-08-31 17:32:58 +03:00
sb.c No big changes for 3.7 in UBIFS: 2012-10-02 20:47:48 -07:00
scan.c UBIFS: comply with coding style 2012-08-31 17:32:57 +03:00
shrinker.c fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
super.c fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
tnc_commit.c UBIFS: rename random32() to prandom_u32() 2013-01-15 15:45:27 +02:00
tnc_misc.c UBIFS: print less 2012-08-31 17:32:58 +03:00
tnc.c fs/ubifs: use rbtree postorder iteration helper instead of opencoding 2014-01-23 16:37:03 -08:00
ubifs-media.h
ubifs.h fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
xattr.c ubifs: switch to %pd 2013-10-24 23:34:51 -04:00