From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?B?SsO2cm4=?= Engel Subject: Re: [PATCH v2 2/2] relatime: Allow making relatime the default behaviour Date: Sat, 29 Nov 2008 14:57:42 +0100 Message-ID: <20081129135742.GC11959@logfs.org> References: <20081126195457.GA3541@srcf.ucam.org> <20081126195824.GB3541@srcf.ucam.org> <492DD035.5020705@oracle.com> <20081127150126.GA20941@srcf.ucam.org> <20081127150341.GB20941@srcf.ucam.org> <20081127170345.GA14991@infradead.org> <20081129002419.abfd2504.akpm@linux-foundation.org> <20081129130308.GX25548@parisc-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Andrew Morton , Christoph Hellwig , Matthew Garrett , Randy Dunlap , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, mingo@redhat.com, val.henson@gmail.com To: Matthew Wilcox Return-path: Received: from lazybastard.de ([212.112.238.170]:50909 "EHLO longford.logfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751275AbYK2N6k (ORCPT ); Sat, 29 Nov 2008 08:58:40 -0500 Content-Disposition: inline In-Reply-To: <20081129130308.GX25548@parisc-linux.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Sat, 29 November 2008 06:03:08 -0700, Matthew Wilcox wrote: >=20 > That would imply that relatime could be different per-mountpoint. >=20 > I favour not making it configurable at all. I guess some amount if configuration may be necessary. If you go back to the beginning of the thread... On Wed, 26 November 2008 19:54:57 +0000, Matthew Garrett wrote: >=20 > Allow atime to be updated once per day even with relatime enabled. T= his=20 > lets utilities like tmpreaper (which deletes files based on last acce= ss=20 > time) continue working. =2E..and check the tmpreaper manpage, you will notice that tmpreaper ca= n be configured as well. So relatime has a default timeout of T and tmpreaper is configured to delete files after 1/2 T (never mind what T might be), the system breaks. Guessing a value of T that is good enoug= h for everyone is a complicated business, so one configurable makes sense imo. One per mountpoint is rather silly, of course. J=C3=B6rn --=20 Mundie uses a textbook tactic of manipulation: start with some reasonable talk, and lead the audience to an unreasonable conclusion. -- Bruce Perens -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html