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block: change ->make_request_fn() and users to return a queue cookie

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No functional changes in this patch, but it prepares us for returning
a more useful cookie related to the IO that was queued up.

Signed-off-by: Jens Axboe <axboe@fb.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
This commit is contained in:
Jens Axboe
2015-11-05 10:41:16 -07:00
parent 8e483ed134
commit dece16353e
28 changed files with 127 additions and 71 deletions
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drivers/block/ps3vram.c
+4 -2
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@@ -598,7 +598,7 @@ out:
return next;
}
static void ps3vram_make_request(struct request_queue *q, struct bio *bio)
static blk_qc_t ps3vram_make_request(struct request_queue *q, struct bio *bio)
{
struct ps3_system_bus_device *dev = q->queuedata;
struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
@@ -614,11 +614,13 @@ static void ps3vram_make_request(struct request_queue *q, struct bio *bio)
spin_unlock_irq(&priv->lock);
if (busy)
return;
return BLK_QC_T_NONE;
do {
bio = ps3vram_do_bio(dev, bio);
} while (bio);
return BLK_QC_T_NONE;
}
static int ps3vram_probe(struct ps3_system_bus_device *dev)