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[PATCH 35/60] bvec_iter: introduce BVEC_ITER_ALL_INIT

From Ming Lei <tom.leiming@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 35/60] bvec_iter: introduce BVEC_ITER_ALL_INIT
Date 2016-10-29 10:30 +0200
Message-ID <sxxbA-3Kf-25@gated-at.bofh.it> (permalink)
References <sxx1U-3GR-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 9df9e582bd3f..e12ce6bd63d7 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -183,4 +183,12 @@ 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))
 
+#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

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[PATCH 35/60] bvec_iter: introduce BVEC_ITER_ALL_INIT Ming Lei <tom.leiming@gmail.com> - 2016-10-29 10:30 +0200

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