From mboxrd@z Thu Jan 1 00:00:00 1970 From: chishanmingshen Subject: [RFC 1/1] vfs: del redundant BH_new flag on unrelated buffer heads. Date: Thu, 5 Jun 2014 19:55:09 +0800 Message-ID: <1401969309-3734-1-git-send-email-chishanmingshen@gmail.com> Cc: linux-fsdevel@vger.kernel.org, chishanmingshen To: Alexander Viro Return-path: Received: from mail-pb0-f65.google.com ([209.85.160.65]:43500 "EHLO mail-pb0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751156AbaFELzW (ORCPT ); Thu, 5 Jun 2014 07:55:22 -0400 Received: by mail-pb0-f65.google.com with SMTP id rr13so428768pbb.8 for ; Thu, 05 Jun 2014 04:55:21 -0700 (PDT) Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 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