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authorChristoph Hellwig <hch@lst.de>2015-04-17 23:37:20 +0300
committerJens Axboe <axboe@fb.com>2015-05-05 22:40:42 +0300
commita7928c1578c550bd6f4dec62d65132e6db226c57 (patch)
tree1a9a13abf0679e7dc4e1e5124cd4fcb3c0ac1265 /block
parentac7cdff00a33d48d27217560fa3b16d802e5f535 (diff)
downloadlinux-a7928c1578c550bd6f4dec62d65132e6db226c57.tar.xz
block: move PM request support to IDE
This removes the request types and hacks from the block code and into the old IDE driver. There is a small amunt of code duplication due to this, but it's not too bad. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-core.c1
-rw-r--r--block/blk-exec.c10
-rw-r--r--block/blk.h2
3 files changed, 1 insertions, 12 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index fd154b94447a..2e5020f37d55 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -285,6 +285,7 @@ inline void __blk_run_queue_uncond(struct request_queue *q)
q->request_fn(q);
q->request_fn_active--;
}
+EXPORT_SYMBOL_GPL(__blk_run_queue_uncond);
/**
* __blk_run_queue - run a single device queue
diff --git a/block/blk-exec.c b/block/blk-exec.c
index 9924725fa50d..3fec8a29d0fa 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -53,7 +53,6 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
rq_end_io_fn *done)
{
int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
- bool is_pm_resume;
WARN_ON(irqs_disabled());
WARN_ON(rq->cmd_type == REQ_TYPE_FS);
@@ -70,12 +69,6 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
return;
}
- /*
- * need to check this before __blk_run_queue(), because rq can
- * be freed before that returns.
- */
- is_pm_resume = rq->cmd_type == REQ_TYPE_PM_RESUME;
-
spin_lock_irq(q->queue_lock);
if (unlikely(blk_queue_dying(q))) {
@@ -88,9 +81,6 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
__elv_add_request(q, rq, where);
__blk_run_queue(q);
- /* the queue is stopped so it won't be run */
- if (is_pm_resume)
- __blk_run_queue_uncond(q);
spin_unlock_irq(q->queue_lock);
}
EXPORT_SYMBOL_GPL(blk_execute_rq_nowait);
diff --git a/block/blk.h b/block/blk.h
index 43b036185712..4b48d55e588e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -193,8 +193,6 @@ int blk_try_merge(struct request *rq, struct bio *bio);
void blk_queue_congestion_threshold(struct request_queue *q);
-void __blk_run_queue_uncond(struct request_queue *q);
-
int blk_dev_init(void);