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02b9984d64
kernel-ark/fs/udf
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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
..
balloc.c udf: Fix handling of i_blocks 2012-02-29 21:53:47 +01:00
dir.c [readdir] convert udf 2013-06-29 12:46:50 +04:00
directory.c udf: Neaten udf_debug uses 2011-10-31 23:43:58 +01:00
ecma_167.h
file.c aio: Kill aio_rw_vect_retry() 2013-07-30 11:53:12 -04:00
ialloc.c udf: Fortify LVID loading 2013-09-24 11:23:33 +02:00
inode.c truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
Kconfig Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6 2011-01-11 14:45:52 -08:00
lowlevel.c udf: Neaten udf_debug uses 2011-10-31 23:43:58 +01:00
Makefile switch udf to simple_fsync() 2009-06-11 21:36:13 -04:00
misc.c udf: Rename udf_error to udf_err 2011-10-10 19:29:01 +02:00
namei.c udf: Fix lockdep warning from udf_symlink() 2013-12-23 22:02:16 +01:00
osta_udf.h
partition.c udf: Cleanup metadata flags handling 2011-10-31 23:49:48 +01:00
super.c fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
symlink.c udf: Treat symlink component of type 2 as / 2012-01-09 13:52:08 +01:00
truncate.c udf: Do not decrement i_blocks when freeing indirect extent block 2012-07-09 13:24:21 +02:00
udf_i.h udf: add extent cache support in case of file reading 2013-01-22 10:48:31 +01:00
udf_sb.h udf: Fortify LVID loading 2013-09-24 11:23:33 +02:00
udfdecl.h udf: add extent cache support in case of file reading 2013-01-22 10:48:31 +01:00
udfend.h
udftime.c udf: Convert printks to pr_<level> 2011-10-31 23:43:52 +01:00
unicode.c udf: Convert printks to pr_<level> 2011-10-31 23:43:52 +01:00