tree 389aaecfb5eff331be497e345b2366d688cf2537
parent 454ff3de42872870ffc3580b69132a9ef40f5cc5
author Miao Xie <miaox@cn.fujitsu.com> 1410518639 +0800
committer Chris Mason <clm@fb.com> 1410986336 -0700

Btrfs: split bio_readpage_error into several functions

The data repair function of direct read will be implemented later, and some code
in bio_readpage_error will be reused, so split bio_readpage_error into
several functions which will be used in direct read repair later.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>