diff options
| -rw-r--r-- | block/blk-mq-tag.c | 12 | ||||
| -rw-r--r-- | include/linux/blk-mq.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index abdbb47405cb..2fd04286f103 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -474,6 +474,18 @@ void blk_mq_all_tag_busy_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn, } EXPORT_SYMBOL(blk_mq_all_tag_busy_iter); +void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, + busy_tag_iter_fn *fn, void *priv) +{ + int i; + + for (i = 0; i < tagset->nr_hw_queues; i++) { + if (tagset->tags && tagset->tags[i]) + blk_mq_all_tag_busy_iter(tagset->tags[i], fn, priv); + } +} +EXPORT_SYMBOL(blk_mq_tagset_busy_iter); + void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn, void *priv) { diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 9ac9799b702b..c808fec1ce44 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -240,6 +240,8 @@ void blk_mq_run_hw_queues(struct request_queue *q, bool async); void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); void blk_mq_all_tag_busy_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn, void *priv); +void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, + busy_tag_iter_fn *fn, void *priv); void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_unfreeze_queue(struct request_queue *q); void blk_mq_freeze_queue_start(struct request_queue *q); |