Commit da6fb7a9 authored by NeilBrown's avatar NeilBrown

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: b97e9257 ("Use separate bitmaps for each nodes in the cluster")
Cc: stable@vger.kernel.org (v4.1+)
Signed-off-by: default avatarNeilBrown <neilb@suse.com>
parent e8ff8bf0
......@@ -1997,7 +1997,8 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks,
if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file)
ret = bitmap_storage_alloc(&store, chunks,
!bitmap->mddev->bitmap_info.external,
bitmap->cluster_slot);
mddev_is_clustered(bitmap->mddev)
? bitmap->cluster_slot : 0);
if (ret)
goto err;
......
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