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| author |   Keith Busch <keith.busch@intel.com> | 2015-01-07 18:55:43 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2015-01-08 08:55:27 -0700 |
| commit | 973c01919bce7e3559b62a856b29211ec5ac325c (patch) | |
| tree | a2a3661f5c3cdef068b5e7a11709096f77b401f9 /include/linux | |
| parent | blk-mq: Wake tasks entering queue on dying (diff) | |
| download | linux-dev-973c01919bce7e3559b62a856b29211ec5ac325c.tar.xz linux-dev-973c01919bce7e3559b62a856b29211ec5ac325c.zip | |
blk-mq: Export if requests were started
Drivers can iterate over all allocated request tags, but their callback
needs a way to know if the driver started the request in the first place.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blk-mq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index d0de259e92b2..addf8a19d806 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -194,6 +194,7 @@ static inline u16 blk_mq_unique_tag_to_tag(u32 unique_tag) struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index); struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *, unsigned int, int); +int blk_mq_request_started(struct request *rq); void blk_mq_start_request(struct request *rq); void blk_mq_end_request(struct request *rq, int error); void __blk_mq_end_request(struct request *rq, int error); |