From patchwork Thu Jun 23 10:40:28 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 908612 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p5NAf5JA031252 for ; Thu, 23 Jun 2011 10:41:28 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759221Ab1FWKlV (ORCPT ); Thu, 23 Jun 2011 06:41:21 -0400 Received: from mga09.intel.com ([134.134.136.24]:21043 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759157Ab1FWKlU (ORCPT ); Thu, 23 Jun 2011 06:41:20 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 23 Jun 2011 03:41:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.65,412,1304319600"; d="scan'208";a="18730961" Received: from unknown (HELO ahunter-desktop.localhost.com) ([10.255.17.28]) by orsmga001.jf.intel.com with ESMTP; 23 Jun 2011 03:41:19 -0700 From: Adrian Hunter To: Chris Ball Cc: linux-mmc , Adrian Hunter , Andrei Warkentin Subject: [PATCH 3/4] mmc: queue: append partition subname to queue thread name Date: Thu, 23 Jun 2011 13:40:28 +0300 Message-Id: <1308825629-27375-4-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1308825629-27375-1-git-send-email-adrian.hunter@intel.com> References: <1308825629-27375-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 23 Jun 2011 10:41:32 +0000 (UTC) For example, an eMMC with 2 boot partitions will have 3 threads. The names change from: 40 ? 00:00:00 mmcqd/0 41 ? 00:00:00 mmcqd/0 42 ? 00:00:00 mmcqd/0 to: 40 ? 00:00:00 mmcqd/0 41 ? 00:00:00 mmcqd/0boot0 42 ? 00:00:00 mmcqd/0boot1 Signed-off-by: Adrian Hunter Cc: Andrei Warkentin --- drivers/mmc/card/block.c | 2 +- drivers/mmc/card/queue.c | 8 +++++--- drivers/mmc/card/queue.h | 3 ++- 3 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index d36b7ea..bee2106 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1167,7 +1167,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, INIT_LIST_HEAD(&md->part); md->usage = 1; - ret = mmc_init_queue(&md->queue, card, &md->lock); + ret = mmc_init_queue(&md->queue, card, &md->lock, subname); if (ret) goto err_putdisk; diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index c07322c..3e2db1c 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -106,10 +106,12 @@ static void mmc_request(struct request_queue *q) * @mq: mmc queue * @card: mmc card to attach this queue * @lock: queue lock + * @subname: partition subname * * Initialise a MMC card request queue. */ -int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock) +int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, + spinlock_t *lock, const char *subname) { struct mmc_host *host = card->host; u64 limit = BLK_BOUNCE_HIGH; @@ -209,8 +211,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock sema_init(&mq->thread_sem, 1); - mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d", - host->index); + mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d%s", + host->index, subname ? subname : ""); if (IS_ERR(mq->thread)) { ret = PTR_ERR(mq->thread); diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index 64e66e0..6223ef8 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -19,7 +19,8 @@ struct mmc_queue { unsigned int bounce_sg_len; }; -extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *); +extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, + const char *); extern void mmc_cleanup_queue(struct mmc_queue *); extern void mmc_queue_suspend(struct mmc_queue *); extern void mmc_queue_resume(struct mmc_queue *);