Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932523AbWBYCoS (ORCPT ); Fri, 24 Feb 2006 21:44:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932522AbWBYCoS (ORCPT ); Fri, 24 Feb 2006 21:44:18 -0500 Received: from smtp109.mail.mud.yahoo.com ([209.191.85.219]:24186 "HELO smtp109.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S932562AbWBYCoR (ORCPT ); Fri, 24 Feb 2006 21:44:17 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=RyUWRJlclhzFhS2/lA/F46tWa1fxpznolaobE8OmwGELbBg5i7i0298x3k2vsXbHv0PC2ckWziAbfPvhTwzMzgw+R/rJM8Jnfn2il8bpcJ0QLwm49Yje7iAMMpSEJaew4tsCrBNQdxzXrcQlbPbSYgxZ+LkTav4tA2c0ScLwJCc= ; Message-ID: <43FFC47C.2090001@yahoo.com.au> Date: Sat, 25 Feb 2006 13:44:12 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Robin Holt CC: Andrew Morton , John McCutchan , linux-kernel@vger.kernel.org, rml@novell.com, arnd@arndb.de, hch@lst.de, Dipankar Sarma Subject: Re: udevd is killing file write performance. References: <20060222134250.GE20786@lnx-holt.americas.sgi.com> <1140626903.13461.5.camel@localhost.localdomain> <20060222175030.GB30556@lnx-holt.americas.sgi.com> <1140648776.1729.5.camel@localhost.localdomain> <20060222151223.5c9061fd.akpm@osdl.org> <1140651662.2985.2.camel@localhost.localdomain> <20060223161425.4388540e.akpm@osdl.org> <20060224054724.GA8593@johnmccutchan.com> <20060223220053.2f7a977e.akpm@osdl.org> <43FEB0BF.6080403@yahoo.com.au> <20060224185632.GB343@lnx-holt.americas.sgi.com> In-Reply-To: <20060224185632.GB343@lnx-holt.americas.sgi.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1001 Lines: 28 Robin Holt wrote: > On Fri, Feb 24, 2006 at 06:07:43PM +1100, Nick Piggin wrote: > >>Attached is a first implementation of what was my idea then of how >>to solve it... note it is pretty rough and I never got around to doing >>much testing of it. >> >>Basically: moves work out of inotify event time and to inotify attach >>/detach time while staying out of the core VFS. > > > The customer called and said they had tried with udevd running and this > patch applied. They said the problem is gone. > OK, well tell them not to run it in production of course... I'll spend a bit of time to implement Andrew's suggestion, and do some testing on it. -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - 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/