tree cc7f1bf1d5b2e213bc3ff759d8dcf3c318907da7
parent e8ff8bf09ff49733534ff3cee91bde030186055f
author NeilBrown <neilb@suse.com> 1443679418 +1000
committer NeilBrown <neilb@suse.com> 1443770653 +1000

md/bitmap: don't pass -1 to bitmap_storage_alloc.

Passing -1 to bitmap_storage_alloc() causes page->index to be set to
-1, which is quite problematic.

So only pass ->cluster_slot if mddev_is_clustered().

Fixes: b97e92574c0b ("Use separate bitmaps for each nodes in the cluster")
Cc: stable@vger.kernel.org (v4.1+)
Signed-off-by: NeilBrown <neilb@suse.com>