dm space map common: zero entire ll_disk



Otherwise, memory that is allocated (and potentially not previously
zeroed) will get written to disk as part of the space maps.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 84420b1e

drivers/md/persistent-data/dm-space-map-common.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -190,6 +190,8 @@ static int sm_find_free(void *addr, unsigned begin, unsigned end,

		static int sm_ll_init(struct ll_disk ll, struct dm_transaction_manager tm)
		{
		memset(ll, 0, sizeof(struct ll_disk));

		ll->tm = tm;

		ll->bitmap_info.tm = tm;