md: don't reference gendisk in getgeo
Using ->array_sectors rather than get_capacity() is more
direct and is a step towards relaxing the tight connection
between mddev and gendisk.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 117663d..69f2a8e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5556,7 +5556,7 @@
geo->heads = 2;
geo->sectors = 4;
- geo->cylinders = get_capacity(mddev->gendisk) / 8;
+ geo->cylinders = mddev->array_sectors / 8;
return 0;
}