From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752317AbaFFJcC (ORCPT ); Fri, 6 Jun 2014 05:32:02 -0400 Received: from mail-ig0-f182.google.com ([209.85.213.182]:60120 "EHLO mail-ig0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750853AbaFFJb7 (ORCPT ); Fri, 6 Jun 2014 05:31:59 -0400 From: chishanmingshen To: Alexander Viro Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, chishanmingshen Subject: [RFC 1/1] vfs: del redundant BH_new flag on unrelated buffer heads. Date: Fri, 6 Jun 2014 17:31:24 +0800 Message-Id: <1402047084-3844-1-git-send-email-chishanmingshen@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just skip the unrelated buffer heads when clear buffer head's BH_new flag. This patch is *untested*. Signed-off-by: chishanmingshen --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index 9ddb9fc..a28a1a1 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1987,8 +1987,8 @@ static int __block_commit_write(struct inode *inode, struct page *page, } else { set_buffer_uptodate(bh); mark_buffer_dirty(bh); + clear_buffer_new(bh); } - clear_buffer_new(bh); block_start = block_end; bh = bh->b_this_page; -- 1.7.9.5