tree 277d1be6569695e963cb660563b8dc6de7e2df87
parent 07169fd478ed2fbb3c894d524be9400658f16747
author majianpeng <majianpeng@gmail.com> 1384402578 +1100
committer NeilBrown <neilb@suse.de> 1384834758 +1100

raid1: Add some macros to make code clearly.

In a subsequent patch, we'll use some const parameters.
Using macros will make the code clearly.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>