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| author | Jens Axboe <axboe@kernel.dk> | 2018-11-08 10:24:07 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-08 10:24:07 -0700 |
| commit | 7baa85727d0406ffd2b2303cd803a145aa35c505 (patch) | |
| tree | 580e8cf709bda194b7271ca9310f11ea0d8b14e3 /include | |
| parent | c28445fa06a3a54e06938559b9514c5a7f01c90f (diff) | |
| download | linux-7baa85727d0406ffd2b2303cd803a145aa35c505.tar.bz2 | |
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 'include')
| -rw-r--r-- | include/linux/blk-mq.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 9f5e93f40857..ff497dfcbbf9 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -129,9 +129,9 @@ typedef int (init_request_fn)(struct blk_mq_tag_set *set, struct request *, typedef void (exit_request_fn)(struct blk_mq_tag_set *set, struct request *, unsigned int); -typedef void (busy_iter_fn)(struct blk_mq_hw_ctx *, struct request *, void *, +typedef bool (busy_iter_fn)(struct blk_mq_hw_ctx *, struct request *, void *, bool); -typedef void (busy_tag_iter_fn)(struct request *, void *, bool); +typedef bool (busy_tag_iter_fn)(struct request *, void *, bool); typedef int (poll_fn)(struct blk_mq_hw_ctx *, unsigned int); typedef int (map_queues_fn)(struct blk_mq_tag_set *set); typedef bool (busy_fn)(struct request_queue *); |