From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756089Ab0BKOv0 (ORCPT ); Thu, 11 Feb 2010 09:51:26 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:36994 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755924Ab0BKOvZ (ORCPT ); Thu, 11 Feb 2010 09:51:25 -0500 Date: Thu, 11 Feb 2010 09:51:23 -0500 From: Christoph Hellwig To: Justin Piszcz Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernl.org, xfs@oss.sgi.com, Alan Piszcz Subject: Re: 2.6.32.3 x86_64 - XFS hangs, all I/O to D-state bug (again) Message-ID: <20100211145123.GA13114@infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Can you check if this still happens with the patch below? Index: linux-2.6/fs/xfs/linux-2.6/xfs_buf.c =================================================================== --- linux-2.6.orig/fs/xfs/linux-2.6/xfs_buf.c 2010-02-11 15:47:49.677253958 +0100 +++ linux-2.6/fs/xfs/linux-2.6/xfs_buf.c 2010-02-11 15:48:03.630005040 +0100 @@ -1158,8 +1158,7 @@ _xfs_buf_ioapply( bp->b_flags &= ~_XBF_RUN_QUEUES; rw = (bp->b_flags & XBF_WRITE) ? WRITE_META : READ_META; } else { - rw = (bp->b_flags & XBF_WRITE) ? WRITE : - (bp->b_flags & XBF_READ_AHEAD) ? READA : READ; + rw = (bp->b_flags & XBF_WRITE) ? WRITE : READ; } /* Special code path for reading a sub page size buffer in --