Push BKL down into do_remount_sb()

[folded fix from Jiri Slaby]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 8 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index b94325f00c5a..2dd333b0fe7f 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1060,11 +1060,8 @@ static int do_umount(struct vfsmount *mnt, int flags)
                  * we just try to remount it readonly.
                  */
                 down_write(&sb->s_umount);
-                if (!(sb->s_flags & MS_RDONLY)) {
-                        lock_kernel();
+                if (!(sb->s_flags & MS_RDONLY))
                         retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
-                        unlock_kernel();
-                }
                 up_write(&sb->s_umount);
                 return retval;
         }
@@ -1515,11 +1512,8 @@ static int do_remount(struct path *path, int flags, int mnt_flags,
         down_write(&sb->s_umount);
         if (flags & MS_BIND)
                 err = change_mount_flags(path->mnt, flags);
-        else {
-                lock_kernel();
+        else
                 err = do_remount_sb(sb, flags, data, 0);
-                unlock_kernel();
-        }
         if (!err)
                 path->mnt->mnt_flags = mnt_flags;
         up_write(&sb->s_umount);