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authorChristoph Hellwig <hch@lst.de>2018-09-24 09:43:47 +0200
committerJens Axboe <axboe@kernel.dk>2018-09-24 12:33:50 -0600
commit43b729bfe9cf30ad11499a66e3b7bd300c716d44 (patch)
treeb455274b95e2cce25c30162cd85bc592ffb0d8a6 /block/blk.h
parentc7b1bf5cca76a31845a7d9e58cec7ff8f1cb0d4d (diff)
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/blk.h')
-rw-r--r--block/blk.h35
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);