tree a3d9e26708dab191bdce78a7a794f45971698694
parent 37f19e57a0de3c4a3417aa13ff4d04f1e0dee4b3
author Dongsu Park <dongsu.park@profitbricks.com> 1421594194 +0100
committer Jens Axboe <axboe@fb.com> 1423153844 -0700

block: rewrite and split __bio_copy_iov()

Rewrite __bio_copy_iov using the copy_page_{from,to}_iter helpers, and
split it into two simpler functions.

This commit should contain only literal replacements, without
functional changes.

Cc: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dongsu Park <dongsu.park@profitbricks.com>
[hch: removed the __bio_copy_iov wrapper]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>