From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [patch] fs: improved handling of page and buffer IO errors Date: Wed, 22 Oct 2008 07:45:31 -0600 Message-ID: <20081022134531.GE26094@parisc-linux.org> References: <20081021125915.GA26697@fogou.chygwyn.com> <20081021133814.GA26942@fogou.chygwyn.com> <20081021143518.GA7158@2ka.mipt.ru> <20081021145901.GA28279@fogou.chygwyn.com> <20081021162957.GQ26184@parisc-linux.org> <20081022124829.GA826@shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Miklos Szeredi , steve@chygwyn.com, zbr@ioremap.net, npiggin@suse.de, akpm@linux-foundation.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org To: Jamie Lokier Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:50755 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751689AbYJVNpd (ORCPT ); Wed, 22 Oct 2008 09:45:33 -0400 Content-Disposition: inline In-Reply-To: <20081022124829.GA826@shareable.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Wed, Oct 22, 2008 at 01:48:29PM +0100, Jamie Lokier wrote: > Matthew Wilcox wrote: > > Careful with those slurs you're throwing around. PA-RISC carefully > > aligns its mmaps so they are coherent. > > (Unless you use MAP_FIXED?) Doctor, it hurts when I point this gun at my foot and pull the trigger ... > Last time I looked at the coherency code, there appeared to be a few > bugs on some architectures, but I didn't have the architectures to > test and confirm them. It was a long time ago, in the 2.4 era though. I think there's a few parisc machines floating around looking for good homes if you're interested. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."