From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang shilong Subject: [PATCH 1/3] Ext2: remove the overhead check about sb in the function ext2_new_blocks Date: Wed, 6 Feb 2013 14:14:26 +0800 Message-ID: <1360131268-1615-1-git-send-email-wangshilong1991@gmail.com> Cc: linux-ext4@vger.kernel.org, Wang shilong , Wang Shilong To: jack@suse.cz Return-path: Received: from mail-da0-f50.google.com ([209.85.210.50]:42804 "EHLO mail-da0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716Ab3BFGOp (ORCPT ); Wed, 6 Feb 2013 01:14:45 -0500 Received: by mail-da0-f50.google.com with SMTP id h15so467370dan.23 for ; Tue, 05 Feb 2013 22:14:45 -0800 (PST) Sender: linux-ext4-owner@vger.kernel.org List-ID: From: Wang Shilong It can be guranteed that inode->i_sb should not be null in vfs. So here the check about it is overhead. Signed-off-by: Wang Shilong --- fs/ext2/balloc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 1c36139..22993a0 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -1239,10 +1239,6 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal, *errp = -ENOSPC; sb = inode->i_sb; - if (!sb) { - printk("ext2_new_blocks: nonexistent device"); - return 0; - } /* * Check quota for allocation of this block. -- 1.7.11.7