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authorStephen Rothwell <sfr@canb.auug.org.au>2017-02-17 12:00:09 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2017-02-17 12:00:09 +1100
commit698194ed41e5484c570b9ebab5af65c0c64e6817 (patch)
tree78069b5f6298d80419951481f94203e3822539b2 /include
parentf66402c8c4d7224a96d430bd6919a46da75c1be9 (diff)
parenteae8263fb1f4256460270dd8f42334604dcdfac6 (diff)
Merge remote-tracking branch 'md/for-next'
Diffstat (limited to 'include')
-rw-r--r--include/linux/bio.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 7cf8a6c70a3f..8e521194f6fc 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -183,7 +183,7 @@ static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter,
#define bio_iter_last(bvec, iter) ((iter).bi_size == (bvec).bv_len)
-static inline unsigned bio_segments(struct bio *bio)
+static inline unsigned __bio_segments(struct bio *bio, struct bvec_iter *bvec)
{
unsigned segs = 0;
struct bio_vec bv;
@@ -205,12 +205,17 @@ static inline unsigned bio_segments(struct bio *bio)
break;
}
- bio_for_each_segment(bv, bio, iter)
+ __bio_for_each_segment(bv, bio, iter, *bvec)
segs++;
return segs;
}
+static inline unsigned bio_segments(struct bio *bio)
+{
+ return __bio_segments(bio, &bio->bi_iter);
+}
+
/*
* get a reference to a bio, so it won't disappear. the intended use is
* something like:
@@ -384,6 +389,8 @@ extern void bio_put(struct bio *);
extern void __bio_clone_fast(struct bio *, struct bio *);
extern struct bio *bio_clone_fast(struct bio *, gfp_t, struct bio_set *);
extern struct bio *bio_clone_bioset(struct bio *, gfp_t, struct bio_set *bs);
+extern struct bio *bio_clone_bioset_partial(struct bio *, gfp_t,
+ struct bio_set *, int, int);
extern struct bio_set *fs_bio_set;