tree dfaec050a24564da4d05ec0e21cd814375eae1e8
parent b71031076e1169e89bdac1b245ad1488587e4730
author NeilBrown <neilb@suse.de> 1271228529 +1000
committer NeilBrown <neilb@suse.de> 1274160469 +1000

md: Relax checks on ->max_disks when external metadata handling is used.

When metadata is being managed by user-space, md doesn't know
what the maximum number of devices allowed in an array is
so ->max_disks is 0.  In this case we should allow any (+ve)
number of disks.

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