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(parent: 3d75ca0) | patch
block: introduce bio_for_each_bvec() and rq_for_each_bvec()
authorMing Lei <ming.lei@redhat.com>
Fri, 15 Feb 2019 11:13:11 +0000 (19:13 +0800)
committerJens Axboe <axboe@kernel.dk>
Fri, 15 Feb 2019 15:40:10 +0000 (08:40 -0700)
commitd18d91740ad22e9d7998884c4d80523d0ba95ddf
tree1a894d857f4d7a407e21afa34e1ad02344a0efd5tree | snapshot
parent3d75ca0adef4280650c6690a0c4702a74a6f3c95commit | diff
block: introduce bio_for_each_bvec() and rq_for_each_bvec()

bio_for_each_bvec() is used for iterating over multi-page bvec for bio
split & merge code.

rq_for_each_bvec() can be used for drivers which may handle the
multi-page bvec directly, so far loop is one perfect use case.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/linux/bio.h diff | blob | history
include/linux/blkdev.h diff | blob | history
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