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| author | Sagi Grimberg <sagi@grimberg.me> | 2017-02-27 10:04:39 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-03-02 08:56:04 -0700 |
| commit | 415b806de5576b656f3ff94366589af9a161d0c8 (patch) | |
| tree | dda8a6c89aa8d332990a5c9259888725badf7299 /block/blk-mq-tag.h | |
| parent | d3af3ecdc62c46fa67ce7a681f173acb1d750e33 (diff) | |
| download | linux-stable-415b806de5576b656f3ff94366589af9a161d0c8.tar.gz linux-stable-415b806de5576b656f3ff94366589af9a161d0c8.tar.bz2 linux-stable-415b806de5576b656f3ff94366589af9a161d0c8.zip | |
blk-mq-sched: Allocate sched reserved tags as specified in the original queue tagset
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Modified by me to also check at driver tag allocation time if the
original request was reserved, so we can be sure to allocate a
properly reserved tag at that point in time, too.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-tag.h')
| -rw-r--r-- | block/blk-mq-tag.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 63497423c5cd..5cb51e53cc03 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -85,4 +85,10 @@ static inline void blk_mq_tag_set_rq(struct blk_mq_hw_ctx *hctx, hctx->tags->rqs[tag] = rq; } +static inline bool blk_mq_tag_is_reserved(struct blk_mq_tags *tags, + unsigned int tag) +{ + return tag < tags->nr_reserved_tags; +} + #endif |