From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 31557600385 for ; Wed, 19 May 2010 11:12:38 -0400 (EDT) Subject: Re: Unexpected splice "always copy" behavior observed From: Steven Rostedt Reply-To: rostedt@goodmis.org In-Reply-To: References: <20100518153440.GB7748@Krystal> <1274197993.26328.755.camel@gandalf.stny.rr.com> <1274199039.26328.758.camel@gandalf.stny.rr.com> <20100519063116.GR2516@laptop> <1274280968.26328.774.camel@gandalf.stny.rr.com> Content-Type: text/plain; charset="ISO-8859-15" Date: Wed, 19 May 2010 11:12:36 -0400 Message-ID: <1274281956.26328.776.camel@gandalf.stny.rr.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Linus Torvalds Cc: Nick Piggin , Mathieu Desnoyers , Peter Zijlstra , Frederic Weisbecker , Pierre Tardy , Ingo Molnar , Arnaldo Carvalho de Melo , Tom Zanussi , Paul Mackerras , linux-kernel@vger.kernel.org, arjan@infradead.org, ziga.mahkovec@gmail.com, davem , linux-mm@kvack.org, Andrew Morton , KOSAKI Motohiro , Christoph Lameter , Tejun Heo , Jens Axboe List-ID: On Wed, 2010-05-19 at 07:59 -0700, Linus Torvalds wrote: > > Btw, since you apparently have a real case - is the "splice to file" > always just an append? IOW, if I'm not right in assuming that the only > sane thing people would reasonable care about is "append to a file", then > holler now. My use case is just to move the data from the ring buffer into a file (or network) as fast as possible. It creates a new file and all additions are "append to a file". I believe Mathieu does the same. With me, you are correct. -- Steve -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org