+ fs-sysv-remove-another-useless-write_super-call.patch added to -mm tree

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The patch titled
     Subject: fs/sysv: remove another useless write_super call
has been added to the -mm tree.  Its filename is
     fs-sysv-remove-another-useless-write_super-call.patch

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------------------------------------------------------
From: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Subject: fs/sysv: remove another useless write_super call

We do not need to call 'sysv_write_super()' from 'sysv_remount()', because
VFS has called 'sysv_sync_fs()' before calling '->remount()'.  So remove
it.  Remove also '(un)lock_super()' which obvioulsy is becoming useless in
this function.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/sysv/inode.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff -puN fs/sysv/inode.c~fs-sysv-remove-another-useless-write_super-call fs/sysv/inode.c
--- a/fs/sysv/inode.c~fs-sysv-remove-another-useless-write_super-call
+++ a/fs/sysv/inode.c
@@ -68,12 +68,9 @@ static void sysv_write_super(struct supe
 static int sysv_remount(struct super_block *sb, int *flags, char *data)
 {
 	struct sysv_sb_info *sbi = SYSV_SB(sb);
-	lock_super(sb);
+
 	if (sbi->s_forced_ro)
 		*flags |= MS_RDONLY;
-	if (*flags & MS_RDONLY)
-		sysv_write_super(sb);
-	unlock_super(sb);
 	return 0;
 }
 
_
Subject: Subject: fs/sysv: remove another useless write_super call

Patches currently in -mm which might be from artem.bityutskiy@xxxxxxxxxxxxxxx are

origin.patch
linux-next.patch
hfs-push-lock_super-down.patch
hfs-get-rid-of-lock_super.patch
hfs-remove-extra-mdb-write-on-unmount.patch
hfs-simplify-a-bit-checking-for-r-o.patch
hfs-introduce-vfs-superblock-object-back-reference.patch
hfs-get-rid-of-hfs_sync_super.patch
hfs-get-rid-of-hfs_sync_super-checkpatch-fixes.patch
hfs-get-rid-of-hfs_sync_super-v2.patch
hfsplus-make-hfsplus_sync_fs-static.patch
hfsplus-amend-debugging-print.patch
hfsplus-remove-useless-check.patch
hfsplus-get-rid-of-write_super.patch
hfsplus-get-rid-of-write_super-checkpatch-fixes.patch
hfsplus-get-rid-of-write_super-v3.patch
fs-ufs-remove-extra-superblock-write-on-unmount.patch
fs-ufs-re-arrange-the-code-a-bit.patch
fs-ufs-re-arrange-the-code-a-bit-checkpatch-fixes.patch
fs-ufs-get-rid-of-write_super.patch
fs-sysv-remove-useless-write_super-call.patch
fs-sysv-remove-another-useless-write_super-call.patch
fs-sysv-stop-using-write_super-and-s_dirt.patch

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