Commit 419c3d5e authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe

blk-mq: rename BLK_MQ_TAG_FAIL to BLK_MQ_NO_TAG

To prepare for wider use of this constant give it a more applicable name.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Reviewed-by: default avatarDaniel Wagner <dwagner@suse.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 7ea4d8a4
......@@ -111,7 +111,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
if (data->flags & BLK_MQ_REQ_RESERVED) {
if (unlikely(!tags->nr_reserved_tags)) {
WARN_ON_ONCE(1);
return BLK_MQ_TAG_FAIL;
return BLK_MQ_NO_TAG;
}
bt = &tags->breserved_tags;
tag_offset = 0;
......@@ -125,7 +125,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
goto found_tag;
if (data->flags & BLK_MQ_REQ_NOWAIT)
return BLK_MQ_TAG_FAIL;
return BLK_MQ_NO_TAG;
ws = bt_wait_ptr(bt, data->hctx);
do {
......
......@@ -44,9 +44,9 @@ static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
}
enum {
BLK_MQ_TAG_FAIL = -1U,
BLK_MQ_NO_TAG = -1U,
BLK_MQ_TAG_MIN = 1,
BLK_MQ_TAG_MAX = BLK_MQ_TAG_FAIL - 1,
BLK_MQ_TAG_MAX = BLK_MQ_NO_TAG - 1,
};
extern bool __blk_mq_tag_busy(struct blk_mq_hw_ctx *);
......
......@@ -386,7 +386,7 @@ static struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data)
}
tag = blk_mq_get_tag(data);
if (tag == BLK_MQ_TAG_FAIL) {
if (tag == BLK_MQ_NO_TAG) {
if (clear_ctx_on_error)
data->ctx = NULL;
return NULL;
......
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