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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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3
drivers/block/drbd/drbd_req.c
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@@ -1494,7 +1494,7 @@ void do_submit(struct work_struct *ws)
}
}
void drbd_make_request(struct request_queue *q, struct bio *bio)
blk_qc_t drbd_make_request(struct request_queue *q, struct bio *bio)
{
struct drbd_device *device = (struct drbd_device *) q->queuedata;
unsigned long start_jif;
@@ -1510,6 +1510,7 @@ void drbd_make_request(struct request_queue *q, struct bio *bio)
inc_ap_bio(device);
__drbd_make_request(device, bio, start_jif);
return BLK_QC_T_NONE;
}
void request_timer_fn(unsigned long data)