Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762512AbXHaEsU (ORCPT ); Fri, 31 Aug 2007 00:48:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757158AbXHaEsM (ORCPT ); Fri, 31 Aug 2007 00:48:12 -0400 Received: from rv-out-0910.google.com ([209.85.198.191]:8054 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757044AbXHaEsL (ORCPT ); Fri, 31 Aug 2007 00:48:11 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:from:to:cc:references:in-reply-to:subject:date:message-id:mime-version:content-type:content-transfer-encoding:x-mailer:thread-index:content-language; b=DOHvhVsMxHktW6xhaAnll36y+f7jbmWoSwWvc22DlOWURJvAzqyHMPWuQsmVhe5pczo6o0NnHzJhKQs+hg1kmPLBxE33waHiy1rd4fwZe+ng0noAsdS+V2oyYDwjgWILzS7Uw6FdJmj6kEEhjSRgIbbJyeudrfi0RYkJQvZO4CQ= From: "Hua Zhong" To: "'Linus Torvalds'" , "'Trond Myklebust'" Cc: "'Linux Kernel Mailing List'" , References: <000701c7eb49$cff701c0$6fe50540$@com> <1188513433.6626.24.camel@heimdal.trondhjem.org> <001001c7eb57$afd2d320$0f787960$@com> <1188516173.6626.46.camel@heimdal.trondhjem.org> <001501c7eb5d$d295d870$77c18950$@com> <1188517070.6626.54.camel@heimdal.trondhjem.org> <001601c7eb5f$b6146980$223d3c80$@com> <1188534682.6626.70.camel@heimdal.trondhjem.org> In-Reply-To: Subject: RE: recent nfs change causes autofs regression Date: Thu, 30 Aug 2007 21:47:59 -0700 Message-ID: <002101c7eb8a$1c20e300$5462a900$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcfriMNrHcKCrRHXSr2mJEP2nr+lLQAALi9Q Content-Language: en-us Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1064 Lines: 26 > On Fri, 31 Aug 2007, Trond Myklebust wrote: > > > > No. Solaris defaults to breaking cache consistency. > > If so, and since that's obviously what people _expect_ to happen, why > not make that the default, with the "consistent" behaviour being the > one that needs an explicit option. > > Just out of curiosity - Hua, is this NFSv2? Especially there, cache > "consistency" is largely a joke anyway, so defaulting to some annoying > careful mode is doubly ridiculous. It's v3 as can be seen from the autofs maps I posted. These directories are used mostly as read-only and get pulled in via our build system. We do not actually write to them often, if at all. I don't think this setup is uncommon, and I am worried that once people start using the latest kernel their systems will mysteriously break. > Linus - 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/