Messages in this thread Patch in this message | | | From | Ming Lei <> | Subject | [PATCH V4 27/45] block: introduce rq_for_each_segment() | Date | Mon, 18 Dec 2017 20:22:29 +0800 |
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There are still cases in which rq_for_each_segment() is required, for example, loop.
Signed-off-by: Ming Lei <ming.lei@redhat.com> --- include/linux/blkdev.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ecc1a24bb5a2..99c65889fd4f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -911,6 +911,10 @@ struct req_iterator { __rq_for_each_bio(_iter.bio, _rq) \ bio_for_each_page(bvl, _iter.bio, _iter.iter) +#define rq_for_each_segment(bvl, _rq, _iter) \ + __rq_for_each_bio(_iter.bio, _rq) \ + bio_for_each_segment(bvl, _iter.bio, _iter.iter) + #define rq_iter_last(bvec, _iter) \ (_iter.bio->bi_next == NULL && \ bio_iter_last(bvec, _iter.iter)) -- 2.9.5
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