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| author |   Christoph Hellwig <hch@lst.de> | 2018-09-24 09:43:47 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-09-24 12:33:50 -0600 |
| commit | 43b729bfe9cf30ad11499a66e3b7bd300c716d44 (patch) | |
| tree | b455274b95e2cce25c30162cd85bc592ffb0d8a6 /block | |
| parent | blk-mq: Document the functions that iterate over requests (diff) | |
| download | linux-dev-43b729bfe9cf30ad11499a66e3b7bd300c716d44.tar.xz linux-dev-43b729bfe9cf30ad11499a66e3b7bd300c716d44.zip | |
block: move integrity_req_gap_{back,front}_merge to blk.h
No need to expose these to drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/block/blk.h b/block/blk.h index 9db4e389582c..441c2de1d4b9 100644 --- a/block/blk.h +++ b/block/blk.h @@ -158,7 +158,38 @@ static inline bool bio_integrity_endio(struct bio *bio) return __bio_integrity_endio(bio); return true; } -#else + +static inline bool integrity_req_gap_back_merge(struct request *req, + struct bio *next) +{ + struct bio_integrity_payload *bip = bio_integrity(req->bio); + struct bio_integrity_payload *bip_next = bio_integrity(next); + + return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1], + bip_next->bip_vec[0].bv_offset); +} + +static inline bool integrity_req_gap_front_merge(struct request *req, + struct bio *bio) +{ + struct bio_integrity_payload *bip = bio_integrity(bio); + struct bio_integrity_payload *bip_next = bio_integrity(req->bio); + + return bvec_gap_to_prev(req->q, &bip->bip_vec[bip->bip_vcnt - 1], + bip_next->bip_vec[0].bv_offset); +} +#else /* CONFIG_BLK_DEV_INTEGRITY */ +static inline bool integrity_req_gap_back_merge(struct request *req, + struct bio *next) +{ + return false; +} +static inline bool integrity_req_gap_front_merge(struct request *req, + struct bio *bio) +{ + return false; +} + static inline void blk_flush_integrity(void) { } @@ -166,7 +197,7 @@ static inline bool bio_integrity_endio(struct bio *bio) { return true; } -#endif +#endif /* CONFIG_BLK_DEV_INTEGRITY */ void blk_timeout_work(struct work_struct *work); unsigned long blk_rq_timeout(unsigned long timeout); |