[PATCH V5 13/33] block: introduce rq_for_each_segment()
From: Ming Lei <hidden>
Date: 2018-05-24 09:01:18
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
There are still cases in which rq_for_each_segment() is required, for example, loop. Signed-off-by: Ming Lei <redacted> --- include/linux/blkdev.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1e8e9b430008..0b15bc625bd7 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -953,6 +953,10 @@ 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