ceph: add acl for cephfs

Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Li Wang <li.wang@ubuntykylin.com>
Reviewed-by: Zheng Yan <zheng.z.yan@intel.com>
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 3c0a4bd..9289c6b2 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2464,6 +2464,7 @@
 				ceph_buffer_put(ci->i_xattrs.blob);
 			ci->i_xattrs.blob = ceph_buffer_get(xattr_buf);
 			ci->i_xattrs.version = version;
+			ceph_forget_all_cached_acls(inode);
 		}
 	}