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authorKeith Busch <keith.busch@intel.com>2015-01-07 18:55:43 -0700
committerJens Axboe <axboe@fb.com>2015-01-08 08:55:27 -0700
commit973c01919bce7e3559b62a856b29211ec5ac325c (patch)
treea2a3661f5c3cdef068b5e7a11709096f77b401f9 /include
parent3fd5940cb2e47a61dcff4108f39be4c72cb4dace (diff)
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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')
-rw-r--r--include/linux/blk-mq.h1
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);