block: Add bio_advance()

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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>

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Kent Overstreet 2012-09-28 13:17:55 -07:00

parent 9f060e2231

commit 054bdf646e

3 changed files with 45 additions and 0 deletions

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2

include/linux/bio.h

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