From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752580AbdBOSNs (ORCPT ); Wed, 15 Feb 2017 13:13:48 -0500 Received: from mail-pg0-f66.google.com ([74.125.83.66]:34442 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752538AbdBOSNq (ORCPT ); Wed, 15 Feb 2017 13:13:46 -0500 From: Bhumika Goyal To: julia.lawall@lip6.fr, agk@redhat.com, snitzer@redhat.com, dm-devel@redhat.com, shli@kernel.org, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bhumika Goyal Subject: [PATCH] dm space map metadata: constify dm_space_map structures Date: Wed, 15 Feb 2017 23:43:28 +0530 Message-Id: <1487182408-19220-1-git-send-email-bhumirks@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Declare dm_space_map structures as const as they are only passed as an argument to the function memcpy. This argument is of type const void *, so dm_space_map structures having this property can be declared as const. File size before: text data bss dec hex filename 4889 240 0 5129 1409 dm-space-map-metadata.o File size after: text data bss dec hex filename 5139 0 0 5139 1413 dm-space-map-metadata.o Signed-off-by: Bhumika Goyal --- drivers/md/persistent-data/dm-space-map-metadata.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 20557e2..4aed69d 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -544,7 +544,7 @@ static int sm_metadata_copy_root(struct dm_space_map *sm, void *where_le, size_t static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks); -static struct dm_space_map ops = { +static const struct dm_space_map ops = { .destroy = sm_metadata_destroy, .extend = sm_metadata_extend, .get_nr_blocks = sm_metadata_get_nr_blocks, @@ -671,7 +671,7 @@ static int sm_bootstrap_copy_root(struct dm_space_map *sm, void *where, return -EINVAL; } -static struct dm_space_map bootstrap_ops = { +static const struct dm_space_map bootstrap_ops = { .destroy = sm_bootstrap_destroy, .extend = sm_bootstrap_extend, .get_nr_blocks = sm_bootstrap_get_nr_blocks, -- 1.9.1