commit | c18a1e09008de7d8bd82b046d38a88f4285d53f9 | [log] [tgz] |
---|---|---|
author | Ming Lei <tom.leiming@gmail.com> | Tue Feb 14 23:28:59 2017 +0800 |
committer | Shaohua Li <shli@fb.com> | Wed Feb 15 11:22:05 2017 -0800 |
tree | b6db3c3286d3086c587a76da819c9272dc91b19d | |
parent | 26483819f89c5cf9d27620d70c95afeeeb9bece5 [diff] |
block: introduce bio_clone_bioset_partial() md still need bio clone(not the fast version) for behind write, and it is more efficient to use bio_clone_bioset_partial(). The idea is simple and just copy the bvecs range specified from parameters. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jens Axboe <axboe@fb.com> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Shaohua Li <shli@fb.com>