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mtd: blktrans: do blk_cleanup_queue when it is really safe to do so

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I was calling it in del_mtd_blktrans_dev, but ->request_fn could
still be running at that point, thus defer this call
to blktrans_dev_release

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Maxim Levitsky 2010-02-27 02:31:51 +02:00 committed by David Woodhouse
parent 7de6f798e1
commit e4d64cab99
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/mtd_blkdevs.c
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@ -32,6 +32,7 @@ void blktrans_dev_release(struct kref *kref)
container_of(kref, struct mtd_blktrans_dev, ref);
dev->disk->private_data = NULL;
blk_cleanup_queue(dev->rq);
put_disk(dev->disk);
list_del(&dev->list);
kfree(dev);
@ -423,7 +424,6 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
old->rq->queuedata = NULL;
blk_start_queue(old->rq);
spin_unlock_irqrestore(&old->queue_lock, flags);
blk_cleanup_queue(old->rq);
/* Ask trans driver for release to the mtd device */
mutex_lock(&old->lock);