diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-cgroup.h | 8 | ||||
| -rw-r--r-- | block/blk-flush.c | 19 | ||||
| -rw-r--r-- | block/blk-mq-sysfs.c | 13 | ||||
| -rw-r--r-- | block/blk-mq.c | 16 |
4 files changed, 28 insertions, 28 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 1610b22edf09..86154eab9523 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -435,9 +435,9 @@ static inline uint64_t blkg_stat_read(struct blkg_stat *stat) uint64_t v; do { - start = u64_stats_fetch_begin(&stat->syncp); + start = u64_stats_fetch_begin_bh(&stat->syncp); v = stat->cnt; - } while (u64_stats_fetch_retry(&stat->syncp, start)); + } while (u64_stats_fetch_retry_bh(&stat->syncp, start)); return v; } @@ -508,9 +508,9 @@ static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat) struct blkg_rwstat tmp; do { - start = u64_stats_fetch_begin(&rwstat->syncp); + start = u64_stats_fetch_begin_bh(&rwstat->syncp); tmp = *rwstat; - } while (u64_stats_fetch_retry(&rwstat->syncp, start)); + } while (u64_stats_fetch_retry_bh(&rwstat->syncp, start)); return tmp; } diff --git a/block/blk-flush.c b/block/blk-flush.c index 331e627301ea..fb6f3c0ffa49 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -502,15 +502,6 @@ void blk_abort_flushes(struct request_queue *q) } } -static void bio_end_flush(struct bio *bio, int err) -{ - if (err) - clear_bit(BIO_UPTODATE, &bio->bi_flags); - if (bio->bi_private) - complete(bio->bi_private); - bio_put(bio); -} - /** * blkdev_issue_flush - queue a flush * @bdev: blockdev to issue flush for @@ -526,7 +517,6 @@ static void bio_end_flush(struct bio *bio, int err) int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, sector_t *error_sector) { - DECLARE_COMPLETION_ONSTACK(wait); struct request_queue *q; struct bio *bio; int ret = 0; @@ -548,13 +538,9 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, return -ENXIO; bio = bio_alloc(gfp_mask, 0); - bio->bi_end_io = bio_end_flush; bio->bi_bdev = bdev; - bio->bi_private = &wait; - bio_get(bio); - submit_bio(WRITE_FLUSH, bio); - wait_for_completion_io(&wait); + ret = submit_bio_wait(WRITE_FLUSH, bio); /* * The driver must store the error location in ->bi_sector, if @@ -564,9 +550,6 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, if (error_sector) *error_sector = bio->bi_sector; - if (!bio_flagged(bio, BIO_UPTODATE)) - ret = -EIO; - bio_put(bio); return ret; } diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index ba6cf8e9aa0a..b91ce75bd35d 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -335,9 +335,22 @@ static struct kobj_type blk_mq_hw_ktype = { void blk_mq_unregister_disk(struct gendisk *disk) { struct request_queue *q = disk->queue; + struct blk_mq_hw_ctx *hctx; + struct blk_mq_ctx *ctx; + int i, j; + + queue_for_each_hw_ctx(q, hctx, i) { + hctx_for_each_ctx(hctx, ctx, j) { + kobject_del(&ctx->kobj); + kobject_put(&ctx->kobj); + } + kobject_del(&hctx->kobj); + kobject_put(&hctx->kobj); + } kobject_uevent(&q->mq_kobj, KOBJ_REMOVE); kobject_del(&q->mq_kobj); + kobject_put(&q->mq_kobj); kobject_put(&disk_to_dev(disk)->kobj); } diff --git a/block/blk-mq.c b/block/blk-mq.c index cdc629cf075b..c79126e11030 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -202,10 +202,12 @@ static struct request *blk_mq_alloc_request_pinned(struct request_queue *q, if (rq) { blk_mq_rq_ctx_init(q, ctx, rq, rw); break; - } else if (!(gfp & __GFP_WAIT)) - break; + } blk_mq_put_ctx(ctx); + if (!(gfp & __GFP_WAIT)) + break; + __blk_mq_run_hw_queue(hctx); blk_mq_wait_for_tags(hctx->tags); } while (1); @@ -222,7 +224,8 @@ struct request *blk_mq_alloc_request(struct request_queue *q, int rw, return NULL; rq = blk_mq_alloc_request_pinned(q, rw, gfp, reserved); - blk_mq_put_ctx(rq->mq_ctx); + if (rq) + blk_mq_put_ctx(rq->mq_ctx); return rq; } @@ -235,7 +238,8 @@ struct request *blk_mq_alloc_reserved_request(struct request_queue *q, int rw, return NULL; rq = blk_mq_alloc_request_pinned(q, rw, gfp, true); - blk_mq_put_ctx(rq->mq_ctx); + if (rq) + blk_mq_put_ctx(rq->mq_ctx); return rq; } EXPORT_SYMBOL(blk_mq_alloc_reserved_request); @@ -308,12 +312,12 @@ void blk_mq_complete_request(struct request *rq, int error) blk_account_io_completion(rq, bytes); + blk_account_io_done(rq); + if (rq->end_io) rq->end_io(rq, error); else blk_mq_free_request(rq); - - blk_account_io_done(rq); } void __blk_mq_end_io(struct request *rq, int error) |