5b45ba38f
author NeilBrown <neilb@suse.de> 1305088682 +1000
committer NeilBrown <neilb@suse.de> 1305088682 +1000

md/multipath: discard ->working_disks in favour of ->degraded

conf->working_disks duplicates information already available
in mddev->degraded.
So remove working_disks.

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