Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752730Ab0KAXKY (ORCPT ); Mon, 1 Nov 2010 19:10:24 -0400 Received: from wdscspam2.wdc.com ([129.253.170.131]:42860 "EHLO wdscspam2.wdc.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751879Ab0KAXKW convert rfc822-to-8bit (ORCPT ); Mon, 1 Nov 2010 19:10:22 -0400 X-Greylist: delayed 571 seconds by postgrey-1.27 at vger.kernel.org; Mon, 01 Nov 2010 19:10:22 EDT X-IronPort-AV: E=Sophos;i="4.58,277,1286175600"; d="scan'208,223";a="164404460" X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: hibernate and file system/metadisk driver buffers/caches Date: Mon, 1 Nov 2010 15:59:36 -0700 Message-ID: <25B374CC0D9DFB4698BB331F82CD0CF20D601F@wdscexbe08.sc.wdc.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: hibernate and file system/metadisk driver buffers/caches Thread-Index: Act6GHP4xaq1VwKWQ+WDDNcnazLFfQ== From: "Daniel Taylor" To: X-OriginalArrivalTime: 01 Nov 2010 23:00:35.0730 (UTC) FILETIME=[97F34F20:01CB7A18] X-TM-AS-Product-Ver: SMEX-10.0.0.1412-6.500.1024-17740.002 X-TM-AS-Result: No--9.796500-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 16 >From what I have found in Documentation/power, I should be able to hibernate a system to a partition on flash, and resume it, preserving its entire state. In case I missed something, though, does anyone know if, in particular, MD stripe buffers are preserved, as well as the EXTn/XFS buffers/caches? I think I read that I/O buffers in use by drivers are saved only if the driver has the appropriate suspend() interfaces. Dan Taylor -- 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/