ocfs2: use the OCFS2_XATTR_ROOT_SIZE macro in ocfs2_reflink_xattr_header()

Use the OCFS2_XATTR_ROOT_SIZE macro improves the readability of the
code.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Alex Chen <[email protected]>
Reviewed-by: Jun Piao <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Junxiao Bi <[email protected]>
Cc: Joseph Qi <[email protected]>
Cc: Changwei Ge <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index c5898c59d4118d8dbd276f32bdf65e23eff52919..2423e905ec1a60e05888e3d37a5ca3fee128c6ad 100644 (file)
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -6415,7 +6415,7 @@ static int ocfs2_reflink_xattr_header(handle_t *handle,
                 * and then insert the extents one by one.
                 */
                if (xv->xr_list.l_tree_depth) {
-                       memcpy(new_xv, &def_xv, sizeof(def_xv));
+                       memcpy(new_xv, &def_xv, OCFS2_XATTR_ROOT_SIZE);
                        vb->vb_xv = new_xv;
                        vb->vb_bh = value_bh;
                        ocfs2_init_xattr_value_extent_tree(&data_et,