diff options
Diffstat (limited to 'drivers/mmc/card/queue.c')
| -rw-r--r-- | drivers/mmc/card/queue.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 88444504d2bd..b0abc7d92805 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> #include <linux/blkdev.h> +#include <linux/freezer.h> #include <linux/kthread.h> #include <linux/mmc/card.h> @@ -44,11 +45,7 @@ static int mmc_queue_thread(void *d) struct mmc_queue *mq = d; struct request_queue *q = mq->queue; - /* - * Set iothread to ensure that we aren't put to sleep by - * the process freezing. We handle suspension ourselves. - */ - current->flags |= PF_MEMALLOC|PF_NOFREEZE; + current->flags |= PF_MEMALLOC; down(&mq->thread_sem); do { @@ -86,7 +83,7 @@ static int mmc_queue_thread(void *d) * on any queue on this host, and attempt to issue it. This may * not be the queue we were asked to process. */ -static void mmc_request(request_queue_t *q) +static void mmc_request(struct request_queue *q) { struct mmc_queue *mq = q->queuedata; struct request *req; @@ -120,7 +117,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock struct mmc_host *host = card->host; u64 limit = BLK_BOUNCE_HIGH; int ret; - unsigned int bouncesz; if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) limit = *mmc_dev(host)->dma_mask; @@ -137,6 +133,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock #ifdef CONFIG_MMC_BLOCK_BOUNCE if (host->max_hw_segs == 1) { + unsigned int bouncesz; + bouncesz = MMC_QUEUE_BOUNCESZ; if (bouncesz > host->max_req_size) @@ -159,14 +157,14 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock GFP_KERNEL); if (!mq->sg) { ret = -ENOMEM; - goto free_bounce_buf; + goto cleanup_queue; } mq->bounce_sg = kmalloc(sizeof(struct scatterlist) * bouncesz / 512, GFP_KERNEL); if (!mq->bounce_sg) { ret = -ENOMEM; - goto free_sg; + goto cleanup_queue; } } } @@ -200,21 +198,20 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock if (mq->bounce_sg) kfree(mq->bounce_sg); mq->bounce_sg = NULL; - free_sg: - kfree(mq->sg); + cleanup_queue: + if (mq->sg) + kfree(mq->sg); mq->sg = NULL; - free_bounce_buf: if (mq->bounce_buf) kfree(mq->bounce_buf); mq->bounce_buf = NULL; - cleanup_queue: blk_cleanup_queue(mq->queue); return ret; } void mmc_cleanup_queue(struct mmc_queue *mq) { - request_queue_t *q = mq->queue; + struct request_queue *q = mq->queue; unsigned long flags; /* Mark that we should start throwing out stragglers */ @@ -255,7 +252,7 @@ EXPORT_SYMBOL(mmc_cleanup_queue); */ void mmc_queue_suspend(struct mmc_queue *mq) { - request_queue_t *q = mq->queue; + struct request_queue *q = mq->queue; unsigned long flags; if (!(mq->flags & MMC_QUEUE_SUSPENDED)) { @@ -275,7 +272,7 @@ void mmc_queue_suspend(struct mmc_queue *mq) */ void mmc_queue_resume(struct mmc_queue *mq) { - request_queue_t *q = mq->queue; + struct request_queue *q = mq->queue; unsigned long flags; if (mq->flags & MMC_QUEUE_SUSPENDED) { |