From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753162AbZIIMLo (ORCPT ); Wed, 9 Sep 2009 08:11:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753082AbZIIMLo (ORCPT ); Wed, 9 Sep 2009 08:11:44 -0400 Received: from brick.kernel.dk ([93.163.65.50]:47287 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751725AbZIIMLn (ORCPT ); Wed, 9 Sep 2009 08:11:43 -0400 Date: Wed, 9 Sep 2009 14:11:46 +0200 From: Jens Axboe To: Linus Torvalds Cc: Linux Kernel Subject: [GIT PULL] aoe fix for 2.6.31 Message-ID: <20090909121146.GZ18599@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, Please pull this single fix for 2.6.31, which fixes a problem with the way that aoe handles the request queue. It used to embed the queue inside another structure, but this breaks for a variety of reasons. git://git.kernel.dk/linux-2.6-block.git for-linus Ed L. Cashin (1): aoe: allocate unused request_queue for sysfs drivers/block/aoe/aoe.h | 2 +- drivers/block/aoe/aoeblk.c | 12 +++++++++--- drivers/block/aoe/aoedev.c | 1 + 3 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h index 5e41e6d..db195ab 100644 --- a/drivers/block/aoe/aoe.h +++ b/drivers/block/aoe/aoe.h @@ -155,7 +155,7 @@ struct aoedev { u16 fw_ver; /* version of blade's firmware */ struct work_struct work;/* disk create work struct */ struct gendisk *gd; - struct request_queue blkq; + struct request_queue *blkq; struct hd_geometry geo; sector_t ssize; struct timer_list timer; diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 2307a27..1e15889 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -264,9 +264,12 @@ aoeblk_gdalloc(void *vp) goto err_disk; } - blk_queue_make_request(&d->blkq, aoeblk_make_request); - if (bdi_init(&d->blkq.backing_dev_info)) + d->blkq = blk_alloc_queue(GFP_KERNEL); + if (!d->blkq) goto err_mempool; + blk_queue_make_request(d->blkq, aoeblk_make_request); + if (bdi_init(&d->blkq->backing_dev_info)) + goto err_blkq; spin_lock_irqsave(&d->lock, flags); gd->major = AOE_MAJOR; gd->first_minor = d->sysminor * AOE_PARTITIONS; @@ -276,7 +279,7 @@ aoeblk_gdalloc(void *vp) snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d", d->aoemajor, d->aoeminor); - gd->queue = &d->blkq; + gd->queue = d->blkq; d->gd = gd; d->flags &= ~DEVFL_GDALLOC; d->flags |= DEVFL_UP; @@ -287,6 +290,9 @@ aoeblk_gdalloc(void *vp) aoedisk_add_sysfs(d); return; +err_blkq: + blk_cleanup_queue(d->blkq); + d->blkq = NULL; err_mempool: mempool_destroy(d->bufpool); err_disk: diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index eeea477..fa67027 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -113,6 +113,7 @@ aoedev_freedev(struct aoedev *d) if (d->bufpool) mempool_destroy(d->bufpool); skbpoolfree(d); + blk_cleanup_queue(d->blkq); kfree(d); } -- Jens Axboe