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| author | Keith Busch | 2015-01-08 02:55:43 +0100 |
|---|---|---|
| committer | Jens Axboe | 2015-01-08 16:55:27 +0100 |
| commit | 973c01919bce7e3559b62a856b29211ec5ac325c (patch) | |
| tree | a2a3661f5c3cdef068b5e7a11709096f77b401f9 /block/blk-mq.c | |
| parent | blk-mq: Wake tasks entering queue on dying (diff) | |
| download | kernel-qcow2-linux-973c01919bce7e3559b62a856b29211ec5ac325c.tar.gz kernel-qcow2-linux-973c01919bce7e3559b62a856b29211ec5ac325c.tar.xz kernel-qcow2-linux-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 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index aefed96369dd..ce4811667d36 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -404,6 +404,12 @@ void blk_mq_complete_request(struct request *rq) } EXPORT_SYMBOL(blk_mq_complete_request); +int blk_mq_request_started(struct request *rq) +{ + return test_bit(REQ_ATOM_STARTED, &rq->atomic_flags); +} +EXPORT_SYMBOL_GPL(blk_mq_request_started); + void blk_mq_start_request(struct request *rq) { struct request_queue *q = rq->q; |