| From | Ming Lei <> | Subject | [PATCH v3 15/49] bvec_iter: introduce BVEC_ITER_ALL_INIT | Date | Tue, 8 Aug 2017 16:45:14 +0800 |
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Introduce BVEC_ITER_ALL_INIT for iterating one bio from start to end.
Signed-off-by: Ming Lei <ming.lei@redhat.com> --- include/linux/bvec.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/bvec.h b/include/linux/bvec.h index ec8a4d7af6bd..fe7a22dd133b 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -125,4 +125,13 @@ static inline bool bvec_iter_rewind(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 */ -- 2.9.4
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