From: Namhyung Kim Subject: [PATCH] ext3: Use DIV_ROUND_UP() on group desc block counting Date: Mon, 11 Oct 2010 19:38:39 +0900 Message-ID: <1286793519-3774-1-git-send-email-namhyung@gmail.com> Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org To: Jan Kara , Andrew Morton , Andreas Dilger Return-path: Received: from mail-pw0-f46.google.com ([209.85.160.46]:42902 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752436Ab0JKKit (ORCPT ); Mon, 11 Oct 2010 06:38:49 -0400 Sender: linux-ext4-owner@vger.kernel.org List-ID: Signed-off-by: Namhyung Kim --- fs/ext3/super.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 75bbf77..3fce402 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -1864,8 +1864,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) - le32_to_cpu(es->s_first_data_block) - 1) / EXT3_BLOCKS_PER_GROUP(sb)) + 1; - db_count = (sbi->s_groups_count + EXT3_DESC_PER_BLOCK(sb) - 1) / - EXT3_DESC_PER_BLOCK(sb); + db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb)); sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *), GFP_KERNEL); if (sbi->s_group_desc == NULL) { -- 1.7.0.4