[PATCH v1 18/54] bvec_iter: introduce BVEC_ITER_ALL_INIT
STALE3545d
From: Ming Lei <tom.leiming@gmail.com>
Date: 2016-12-27 16:01:37
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Revision v1 of 2 in this series.
Revisions (2)
- v1 [diff vs current]
- v1 current
Introduce BVEC_ITER_ALL_INIT for iterating one bio from start to end. Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- include/linux/bvec.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index f8a8b293cd32..5c51c58fe202 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h@@ -183,4 +183,13 @@ static inline void bvec_iter_advance_mp(const struct bio_vec *bv, ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \ bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len)) +/* for iterating one bio from start to end */ +#define BVEC_ITER_ALL_INIT (struct bvec_iter) \ +{ \ + .bi_sector = 0, \ + .bi_size = UINT_MAX, \ + .bi_idx = 0, \ + .bi_bvec_done = 0, \ +} + #endif /* __LINUX_BVEC_ITER_H */
--
2.7.4