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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: 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>
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419c3d5e80
3 changed files with 5 additions and 5 deletions
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@ -111,7 +111,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
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if (data->flags & BLK_MQ_REQ_RESERVED) {
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if (unlikely(!tags->nr_reserved_tags)) {
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WARN_ON_ONCE(1);
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return BLK_MQ_TAG_FAIL;
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return BLK_MQ_NO_TAG;
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}
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bt = &tags->breserved_tags;
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tag_offset = 0;
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@ -125,7 +125,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
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goto found_tag;
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if (data->flags & BLK_MQ_REQ_NOWAIT)
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return BLK_MQ_TAG_FAIL;
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return BLK_MQ_NO_TAG;
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ws = bt_wait_ptr(bt, data->hctx);
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do {
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@ -44,9 +44,9 @@ static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
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}
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enum {
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BLK_MQ_TAG_FAIL = -1U,
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BLK_MQ_NO_TAG = -1U,
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BLK_MQ_TAG_MIN = 1,
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BLK_MQ_TAG_MAX = BLK_MQ_TAG_FAIL - 1,
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BLK_MQ_TAG_MAX = BLK_MQ_NO_TAG - 1,
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};
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extern bool __blk_mq_tag_busy(struct blk_mq_hw_ctx *);
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@ -386,7 +386,7 @@ static struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data)
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}
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tag = blk_mq_get_tag(data);
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if (tag == BLK_MQ_TAG_FAIL) {
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if (tag == BLK_MQ_NO_TAG) {
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if (clear_ctx_on_error)
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data->ctx = NULL;
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return NULL;
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