From 428e4698642794444cdb26c148a827f22c28d546 Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Mon, 3 Mar 2014 10:37:24 -0500 Subject: dm bitset: only flush the current word if it has been dirtied This change offers a big performance boost for dm-era. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer --- drivers/md/persistent-data/dm-bitset.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/md/persistent-data/dm-bitset.h') diff --git a/drivers/md/persistent-data/dm-bitset.h b/drivers/md/persistent-data/dm-bitset.h index e1b9bea..c2287d6 100644 --- a/drivers/md/persistent-data/dm-bitset.h +++ b/drivers/md/persistent-data/dm-bitset.h @@ -71,6 +71,7 @@ struct dm_disk_bitset { uint64_t current_bits; bool current_index_set:1; + bool dirty:1; }; /* -- cgit v1.1