diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-11-08 18:24:07 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-08 18:24:07 +0100 |
| commit | 7baa85727d0406ffd2b2303cd803a145aa35c505 (patch) | |
| tree | 580e8cf709bda194b7271ca9310f11ea0d8b14e3 /drivers/block/skd_main.c | |
| parent | loop: Get rid of 'nested' acquisition of loop_ctl_mutex (diff) | |
| download | linux-7baa85727d0406ffd2b2303cd803a145aa35c505.tar.xz linux-7baa85727d0406ffd2b2303cd803a145aa35c505.zip | |
blk-mq-tag: change busy_iter_fn to return whether to continue or not
We have this functionality in sbitmap, but we don't export it in
blk-mq for users of the tags busy iteration. This can be useful
for stopping the iteration, if the caller doesn't need to find
more requests.
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/skd_main.c')
| -rw-r--r-- | drivers/block/skd_main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 2459dcc04b1c..a0196477165f 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -382,11 +382,12 @@ static void skd_log_skreq(struct skd_device *skdev, * READ/WRITE REQUESTS ***************************************************************************** */ -static void skd_inc_in_flight(struct request *rq, void *data, bool reserved) +static bool skd_inc_in_flight(struct request *rq, void *data, bool reserved) { int *count = data; count++; + return true; } static int skd_in_flight(struct skd_device *skdev) @@ -1887,13 +1888,13 @@ static void skd_isr_fwstate(struct skd_device *skdev) skd_skdev_state_to_str(skdev->state), skdev->state); } -static void skd_recover_request(struct request *req, void *data, bool reserved) +static bool skd_recover_request(struct request *req, void *data, bool reserved) { struct skd_device *const skdev = data; struct skd_request_context *skreq = blk_mq_rq_to_pdu(req); if (skreq->state != SKD_REQ_STATE_BUSY) - return; + return true; skd_log_skreq(skdev, skreq, "recover"); @@ -1904,6 +1905,7 @@ static void skd_recover_request(struct request *req, void *data, bool reserved) skreq->state = SKD_REQ_STATE_IDLE; skreq->status = BLK_STS_IOERR; blk_mq_complete_request(req); + return true; } static void skd_recover_requests(struct skd_device *skdev) |