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02b9984d64
android_kernel_xiaomi_sm8450/fs/ntfs
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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
..
aops.c mm: change invalidatepage prototype to accept length 2013-05-21 23:17:23 -04:00
aops.h mm: make read_cache_page synchronous 2007-05-07 12:12:51 -07:00
attrib.c ntfs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:25 +08:00
attrib.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
bitmap.c [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
bitmap.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
collate.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
collate.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
compress.c Fix common misspellings 2011-03-31 11:26:23 -03:00
debug.c NTFS: Fix printk format warnings on ia64. (Randy Dunlap) 2005-05-05 11:11:47 +01:00
debug.h treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
dir.c [readdir] convert ntfs 2013-06-29 12:56:48 +04:00
dir.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
endian.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
file.c fix O_SYNC|O_APPEND syncing the wrong range on write() 2014-02-09 15:18:09 -05:00
index.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
index.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
inode.c iget/iget5: don't bother with ->i_lock until we find a match 2013-11-09 00:16:31 -05:00
inode.h ntfs: drop vmtruncate 2012-12-20 18:40:55 -05:00
Kconfig fs/Kconfig: move ntfs out 2009-01-22 13:15:55 +03:00
layout.h Typos: change aditional to additional. 2012-02-21 11:40:36 +01:00
lcnalloc.c [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
lcnalloc.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
logfile.c Fix common misspellings 2011-03-31 11:26:23 -03:00
logfile.h Fix common misspellings 2011-03-31 11:26:23 -03:00
Makefile fs: change to new flag variable 2011-03-17 14:02:57 +01:00
malloc.h mm: replace various uses of num_physpages by totalram_pages 2009-09-22 07:17:38 -07:00
mft.c NTFS: Correct two spelling errors "dealocate" to "deallocate" in mft.c. 2012-02-24 09:17:09 +00:00
mft.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
mst.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
namei.c stop passing nameidata to ->lookup() 2012-07-14 16:34:32 +04:00
ntfs.h exportfs: make struct export_operations const 2007-10-22 08:13:21 -07:00
quota.c [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
quota.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
runlist.c Fix common misspellings 2011-03-31 11:26:23 -03:00
runlist.h NTFS: Add ntfs_rl_punch_nolock() which punches a caller specified hole into a runlist. 2005-09-08 20:26:34 +01:00
super.c fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
sysctl.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
sysctl.h Convert files to UTF-8 and some cleanups 2007-10-19 23:21:04 +02:00
time.h NTFS: Change time to u64 in time.h::ntfs2utc() as it otherwise generates a 2005-05-05 11:01:13 +01:00
types.h [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
unistr.c [PATCH] slab: remove SLAB_NOFS 2006-12-07 08:39:23 -08:00
upcase.c ntfs: le*_add_cpu conversion 2008-05-24 09:56:08 -07:00
usnjrnl.c [PATCH] fs/ntfs: Conversion to generic boolean 2006-10-01 00:39:19 -07:00
usnjrnl.h ntfs: remove private wrapper of endian helpers 2009-04-01 08:59:18 -07:00
volume.h userns: Convert ntfs to use kuid and kgid where appropriate 2012-09-21 03:13:15 -07:00