Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933123AbZKXUNA (ORCPT ); Tue, 24 Nov 2009 15:13:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933131AbZKXUM6 (ORCPT ); Tue, 24 Nov 2009 15:12:58 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:34692 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933084AbZKXUM4 (ORCPT ); Tue, 24 Nov 2009 15:12:56 -0500 Date: Tue, 24 Nov 2009 15:13:01 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Jan Kara cc: Boaz Harrosh , , Kernel development list , USB list , Jens Axboe , SCSI development list , Subject: Re: Weird I/O errors with USB hard drive not remounting filesystem readonly In-Reply-To: <20091124195607.GC16662@quack.suse.cz> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 19 On Tue, 24 Nov 2009, Jan Kara wrote: > After digging in block layer code, it's as we suspected: > In case of host error DID_ERROR (which is our case), scsi request is > retried iff it is not a FAILFAST request which is set if bio is doing > readahead... So this is explained and everything behaves as it should. > Thanks everybody involved :). Okay, very good. There remains the question of the disturbing error messages in the system log. Should they be supressed for FAILFAST requests? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/