jfs: compare old and new mode before setting update_mode flag

If new mode is the same as old mode we don't have to reset
inode mode in the rest of the code, so compare old and new
mode before setting update_mode flag.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>

diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 8c06a6ea862d8004982c493c9b3693a928cec2ad..ebb299003a5b7750ebf4d68f0d3551198e921e22 100644 (file)
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -117,7 +117,8 @@ int jfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
                rc = posix_acl_update_mode(inode, &mode, &acl);
                if (rc)
                        goto end_tx;
-               update_mode = 1;
+               if (mode != inode->i_mode)
+                       update_mode = 1;
        }
        rc = __jfs_set_acl(tid, inode, type, acl);
        if (!rc) {