Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759578AbYFXLrc (ORCPT ); Tue, 24 Jun 2008 07:47:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751468AbYFXLrW (ORCPT ); Tue, 24 Jun 2008 07:47:22 -0400 Received: from relay.2ka.mipt.ru ([194.85.82.65]:46320 "EHLO 2ka.mipt.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751403AbYFXLrV (ORCPT ); Tue, 24 Jun 2008 07:47:21 -0400 Date: Tue, 24 Jun 2008 15:46:54 +0400 From: Evgeniy Polyakov To: Miklos Szeredi Cc: jens.axboe@oracle.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, torvalds@linux-foundation.org Subject: Re: [rfc patch 3/4] splice: remove confirm from pipe_buf_operations Message-ID: <20080624114654.GA27123@2ka.mipt.ru> References: <20080621154607.154640724@szeredi.hu> <20080621154726.494538562@szeredi.hu> <20080624080440.GJ20851@kernel.dk> <20080624111913.GP20851@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 745 Lines: 20 On Tue, Jun 24, 2008 at 01:36:35PM +0200, Miklos Szeredi (miklos@szeredi.hu) wrote: > > basically like PageWriteback(), but for read-in. > > OK it could be done, possibly at great pain. But why is it important? Maybe not that great if mark all readahead pages as, well, readahead, and do the same for readpage (essnetially it is the same). > What's the use case where it matters that splice-in should not block > on the read? To be able to transfer what was already read? -- Evgeniy Polyakov -- 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/