diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-29 15:53:12 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-29 10:23:25 -0600 |
| commit | 766473681c131f2da81d62472864c8c97e021373 (patch) | |
| tree | 883f769b8c44a0c0ea8d9786a16951e0699369de /block/blk-mq-tag.c | |
| parent | 419c3d5e8012928fbf9a086b07b618146cc9277b (diff) | |
| download | linux-766473681c131f2da81d62472864c8c97e021373.tar.gz | |
blk-mq: use BLK_MQ_NO_TAG in more places
Replace various magic -1 constants for tags with BLK_MQ_NO_TAG.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.c')
| -rw-r--r-- | block/blk-mq-tag.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index c76ba4f90fa0..597ff9c27cf6 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -92,7 +92,7 @@ static int __blk_mq_get_tag(struct blk_mq_alloc_data *data, { if (!(data->flags & BLK_MQ_REQ_INTERNAL) && !hctx_may_queue(data->hctx, bt)) - return -1; + return BLK_MQ_NO_TAG; if (data->shallow_depth) return __sbitmap_queue_get_shallow(bt, data->shallow_depth); else @@ -121,7 +121,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) } tag = __blk_mq_get_tag(data, bt); - if (tag != -1) + if (tag != BLK_MQ_NO_TAG) goto found_tag; if (data->flags & BLK_MQ_REQ_NOWAIT) @@ -143,13 +143,13 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) * as running the queue may also have found completions. */ tag = __blk_mq_get_tag(data, bt); - if (tag != -1) + if (tag != BLK_MQ_NO_TAG) break; sbitmap_prepare_to_wait(bt, ws, &wait, TASK_UNINTERRUPTIBLE); tag = __blk_mq_get_tag(data, bt); - if (tag != -1) + if (tag != BLK_MQ_NO_TAG) break; bt_prev = bt; |