tree b37cf6ad3557ffada21aa05174bb055ea8e6c173
parent ac2f40be46ce6ab3bec4c8c297d6923f941741ce
author NeilBrown <neilb@suse.de> 1275385052 +1000
committer NeilBrown <neilb@suse.de> 1280114491 +1000

md/bitmap: reduce dependence on sysfs.

For dm-raid45 we will want to use bitmaps in dm-targets which don't
have entries in sysfs, so cope with the mddev not living in sysfs.

Signed-off-by: NeilBrown <neilb@suse.de>