[PATCH 2/9] 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 CC: Jens Axboe --- fs/bio.c| 41 +

[PATCH 2/9] 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 koverstr...@google.com CC: Jens Axboe ax...@kernel.dk --- fs/bio.c| 41