From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?windows-1252?Q?J=F6rg-Volker_Peetz?= Subject: Re: ext4 lazytime: ctime of some files changed Date: Thu, 14 May 2015 19:58:19 +0200 Message-ID: <5554E23B.10309@web.de> References: <55531AE3.7030704@web.de> <20150514021728.GA28473@thunk.org> <20150514123848.GD28473@thunk.org> <55549BDB.2080905@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Theodore Ts'o To: linux-fsdevel@vger.kernel.org Return-path: Received: from plane.gmane.org ([80.91.229.3]:59996 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030225AbbENR62 (ORCPT ); Thu, 14 May 2015 13:58:28 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YsxOr-00075X-9T for linux-fsdevel@vger.kernel.org; Thu, 14 May 2015 19:58:25 +0200 Received: from p5b0a06df.dip0.t-ipconnect.de ([91.10.6.223]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 May 2015 19:58:25 +0200 Received: from jvpeetz by p5b0a06df.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 May 2015 19:58:25 +0200 In-Reply-To: <55549BDB.2080905@web.de> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: J=F6rg-Volker Peetz wrote on 05/14/2015 14:58: > Theodore Ts'o wrote on 05/14/2015 14:38: >> On Thu, May 14, 2015 at 10:27:58AM +0200, J=F6rg-Volker Peetz wrote: >>> >>> Also switching to relatime does not work with the mount command. Co= uld it be a >>> problem with the mount package of debian? >> >> I'm using Debian Jessie: >> > I'm using a mixture of testing and sid with mount, util-linux, etc. v= ersion > 2.26.2-2. >=20 >> ii mount 2.25.2-6 amd64 Tools for m= ounting and manipulating filesystem >> >> The other difference might be what you and I have in our /etc/fstab? >> I have: >> >> LABEL=3Dclosure-root / ext4 errors=3Dremount-ro 0 = 1 >> > Here: > UUID=3D7e13aca5-... / ext4 nobarrier,noatime,errors=3Dremount-r= o 0 2 >=20 >> Can you also try something like this? >> >> # strace -o /tmp/st mount -o remount,nolazytime / >> # grep ^mount /tmp/st >> mount("/dev/sda3", "/", 0x1f21250, MS_MGC_VAL|MS_REMOUNT, "errors=3D= remount-ro,lazytime") =3D 0 >> > mount("/dev/sda1", "/", 0x1488780, MS_MGC_VAL|MS_REMOUNT|MS_NOATIME, > "nobarrier,errors=3Dremount-ro") =3D 0 >=20 After re-reading it again, I should clarify that I meanwhile rebooted w= ith noatime. Maybe then, it is more helpful to show the output of # strace -o /tmp/st mount -o remount,lazytime / # grep ^mount /tmp/st mount("/dev/sda1", "/", 0x10a0780, MS_REMOUNT|MS_NOATIME|0x2000000, "nobarrier,errors=3Dremount-ro") =3D 0 --=20 Regards, J=F6rg. -- 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