diff options
| -rw-r--r-- | block/blk-core.c | 5 | ||||
| -rw-r--r-- | block/blk-flush.c | 19 | ||||
| -rw-r--r-- | block/blk-mq.c | 2 | ||||
| -rw-r--r-- | block/blk-mq.h | 1 | ||||
| -rw-r--r-- | block/blk-sysfs.c | 4 | ||||
| -rw-r--r-- | block/blk.h | 3 |
6 files changed, 26 insertions, 8 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 6946a4275e6ff..0a9d17269957c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -705,8 +705,7 @@ blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn, if (!q) return NULL; - q->flush_rq = kzalloc(sizeof(struct request), GFP_KERNEL); - if (!q->flush_rq) + if (blk_init_flush(q)) return NULL; if (blk_init_rl(&q->root_rl, q, GFP_KERNEL)) @@ -742,7 +741,7 @@ blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn, return q; fail: - kfree(q->flush_rq); + blk_exit_flush(q); return NULL; } EXPORT_SYMBOL(blk_init_allocated_queue); diff --git a/block/blk-flush.c b/block/blk-flush.c index 55028a7079270..c72ab32fd8eb8 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -472,7 +472,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, } EXPORT_SYMBOL(blkdev_issue_flush); -int blk_mq_init_flush(struct request_queue *q) +static int blk_mq_init_flush(struct request_queue *q) { struct blk_mq_tag_set *set = q->tag_set; @@ -485,3 +485,20 @@ int blk_mq_init_flush(struct request_queue *q) return -ENOMEM; return 0; } + +int blk_init_flush(struct request_queue *q) +{ + if (q->mq_ops) + return blk_mq_init_flush(q); + + q->flush_rq = kzalloc(sizeof(struct request), GFP_KERNEL); + if (!q->flush_rq) + return -ENOMEM; + + return 0; +} + +void blk_exit_flush(struct request_queue *q) +{ + kfree(q->flush_rq); +} diff --git a/block/blk-mq.c b/block/blk-mq.c index 78bcf8bfb22a7..2758cdf2de941 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1859,7 +1859,7 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) blk_mq_add_queue_tag_set(set, q); - if (blk_mq_init_flush(q)) + if (blk_init_flush(q)) goto err_hw_queues; blk_mq_map_swqueue(q); diff --git a/block/blk-mq.h b/block/blk-mq.h index ecac69c089377..d567d5283ffa7 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -27,7 +27,6 @@ struct blk_mq_ctx { void __blk_mq_complete_request(struct request *rq); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); -int blk_mq_init_flush(struct request_queue *q); void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); void blk_mq_clone_flush_request(struct request *flush_rq, diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 17f5c84ce7bfb..949075952119f 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -517,11 +517,11 @@ static void blk_release_queue(struct kobject *kobj) if (q->queue_tags) __blk_queue_free_tags(q); + blk_exit_flush(q); + if (q->mq_ops) blk_mq_free_queue(q); - kfree(q->flush_rq); - blk_trace_shutdown(q); bdi_destroy(&q->backing_dev_info); diff --git a/block/blk.h b/block/blk.h index e515a285d4c96..c6fa3d4c6a897 100644 --- a/block/blk.h +++ b/block/blk.h @@ -22,6 +22,9 @@ static inline void __blk_get_queue(struct request_queue *q) kobject_get(&q->kobj); } +int blk_init_flush(struct request_queue *q); +void blk_exit_flush(struct request_queue *q); + int blk_init_rl(struct request_list *rl, struct request_queue *q, gfp_t gfp_mask); void blk_exit_rl(struct request_list *rl); |