From: Jan Kara <jack@suse.cz>

We don't need to turn quotas off before remounting root ro, because
do_remount_sb() already handles this.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/namespace.c |    2 --
 1 file changed, 2 deletions(-)

diff -puN fs/namespace.c~quota-remove-superfluous-dquot_off-in-fs-namespacec fs/namespace.c
--- a/fs/namespace.c~quota-remove-superfluous-dquot_off-in-fs-namespacec
+++ a/fs/namespace.c
@@ -14,7 +14,6 @@
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/quotaops.h>
 #include <linux/acct.h>
 #include <linux/capability.h>
 #include <linux/cpumask.h>
@@ -1083,7 +1082,6 @@ static int do_umount(struct vfsmount *mn
 		down_write(&sb->s_umount);
 		if (!(sb->s_flags & MS_RDONLY)) {
 			lock_kernel();
-			DQUOT_OFF(sb);
 			retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
 			unlock_kernel();
 		}
_