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authorKent Overstreet <koverstreet@google.com>2012-09-28 13:17:55 -0700
committerKent Overstreet <koverstreet@google.com>2013-03-23 14:15:27 -0700
commit054bdf646e36c2f7dc1bf6bc6209dbbb5909164b (patch)
treeacd9989fd9e6f5c6d3c985e34e984081a33cbdc3 /include/linux/bio.h
parent9f060e2231ca96ca94f2ffcff730acd72606b280 (diff)
downloadlinux-054bdf646e36c2f7dc1bf6bc6209dbbb5909164b.tar.gz
linux-054bdf646e36c2f7dc1bf6bc6209dbbb5909164b.tar.xz
block: Add bio_advance()
This is prep work for immutable bio vecs; we first want to centralize where bvecs are modified. Next two patches convert some existing code to use this function. Signed-off-by: Kent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 669b1cb18fee..fcb4dba2d8ea 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -248,6 +248,8 @@ extern void bio_endio(struct bio *, int);
struct request_queue;
extern int bio_phys_segments(struct request_queue *, struct bio *);
+extern void bio_advance(struct bio *, unsigned);
+
extern void bio_init(struct bio *);
extern void bio_reset(struct bio *);