diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-10-12 10:03:14 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-10-14 12:47:52 -0600 |
| commit | 3582dd291788e9441c3ba9047e55089edb98da5c (patch) | |
| tree | 8500bb8ba0ff66fc3bb5d3ffb1bd8bed66f73d3c /drivers/block/aoe/aoecmd.c | |
| parent | e01ad46d53b59720c6ae69963ee1756506954c85 (diff) | |
| download | linux-3582dd291788e9441c3ba9047e55089edb98da5c.tar.bz2 | |
aoe: convert aoeblk to blk-mq
Straight forward conversion - instead of rewriting the internal buffer
retrieval logic, just replace the previous elevator peeking with an
internal list of requests.
Reviewed-by: "Ed L. Cashin" <ed.cashin@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/aoe/aoecmd.c')
| -rw-r--r-- | drivers/block/aoe/aoecmd.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 136dc507d020..bb2fba651bd2 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -7,7 +7,7 @@ #include <linux/ata.h> #include <linux/slab.h> #include <linux/hdreg.h> -#include <linux/blkdev.h> +#include <linux/blk-mq.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/genhd.h> @@ -813,7 +813,7 @@ rexmit_timer(struct timer_list *timer) out: if ((d->flags & DEVFL_KICKME) && d->blkq) { d->flags &= ~DEVFL_KICKME; - d->blkq->request_fn(d->blkq); + blk_mq_run_hw_queues(d->blkq, true); } d->timer.expires = jiffies + TIMERTICK; @@ -857,10 +857,12 @@ nextbuf(struct aoedev *d) return d->ip.buf; rq = d->ip.rq; if (rq == NULL) { - rq = blk_peek_request(q); + rq = list_first_entry_or_null(&d->rq_list, struct request, + queuelist); if (rq == NULL) return NULL; - blk_start_request(rq); + list_del_init(&rq->queuelist); + blk_mq_start_request(rq); d->ip.rq = rq; d->ip.nxbio = rq->bio; rq->special = (void *) rqbiocnt(rq); @@ -1045,6 +1047,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail) struct bio *bio; int bok; struct request_queue *q; + blk_status_t err = BLK_STS_OK; q = d->blkq; if (rq == d->ip.rq) @@ -1052,11 +1055,15 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail) do { bio = rq->bio; bok = !fastfail && !bio->bi_status; - } while (__blk_end_request(rq, bok ? BLK_STS_OK : BLK_STS_IOERR, bio->bi_iter.bi_size)); + if (!bok) + err = BLK_STS_IOERR; + } while (blk_update_request(rq, bok ? BLK_STS_OK : BLK_STS_IOERR, bio->bi_iter.bi_size)); + + __blk_mq_end_request(rq, err); /* cf. http://lkml.org/lkml/2006/10/31/28 */ if (!fastfail) - __blk_run_queue(q); + blk_mq_run_hw_queues(q, true); } static void |