md: prepare for managing resync I/O pages in clean way

Browse source

Now resync I/O use bio's bec table to manage pages,
this way is very hacky, and may not work any more
once multipage bvec is introduced.

So introduce helpers and new data structure for
managing resync I/O pages more cleanly.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>

...

This commit is contained in:

Ming Lei 2017-03-17 00:12:24 +08:00 • committed by Shaohua Li

parent d8e29fbc3b

commit 513e2faa01

1 changed files with 50 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

50

drivers/md/md.h

View file