From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753836Ab1AZR1u (ORCPT ); Wed, 26 Jan 2011 12:27:50 -0500 Received: from e34.co.us.ibm.com ([32.97.110.152]:38027 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753469Ab1AZR1t (ORCPT ); Wed, 26 Jan 2011 12:27:49 -0500 Date: Wed, 26 Jan 2011 11:27:44 -0600 From: Robert Jennings To: Nitin Gupta Cc: Greg Kroah-Hartman , Robert Jennings , Pekka Enberg , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/7] zram: mark the disk as non-rotating media Message-ID: <20110126172743.GI8446@linux.vnet.ibm.com> Mail-Followup-To: Nitin Gupta , Greg Kroah-Hartman , Pekka Enberg , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org References: <20110126172148.GB8446@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110126172148.GB8446@linux.vnet.ibm.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding QUEUE_FLAG_NONROT for the in the request_queue flags. When used as a swap device, scan_swap_map will avoid the extra work of optimizing for rotating media. Signed-off-by: Robert Jennings --- drivers/staging/zram/zram_drv.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index d5e0275..450c618 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -593,6 +593,7 @@ static int create_device(struct zram *zram, int device_id) goto out; } + zram->queue->queue_flags ^= QUEUE_FLAG_NONROT; blk_queue_make_request(zram->queue, zram_make_request); zram->queue->queuedata = zram; -- 1.6.0.2