md: define mddev flags, recovery flags and r1bio state bits using enums

This is less error prone than using individual #defines.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
NeilBrown 2016-11-09 10:21:33 +11:00 • committed by Shaohua Li
commit be306c2989
2 changed files with 46 additions and 48 deletions