From: Joe Thornber Use struct assignment rather than memcpy in dm cache. Signed-off-by: Joe Thornber Signed-off-by: Alasdair G Kergon --- drivers/md/dm-cache-metadata.c | 4 ++-- drivers/md/dm-cache-target.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) Index: linux/drivers/md/dm-cache-metadata.c =================================================================== --- linux.orig/drivers/md/dm-cache-metadata.c +++ linux/drivers/md/dm-cache-metadata.c @@ -1044,7 +1044,7 @@ void dm_cache_metadata_get_stats(struct struct dm_cache_statistics *stats) { down_read(&cmd->root_lock); - memcpy(stats, &cmd->stats, sizeof(*stats)); + *stats = cmd->stats; up_read(&cmd->root_lock); } @@ -1052,7 +1052,7 @@ void dm_cache_metadata_set_stats(struct struct dm_cache_statistics *stats) { down_write(&cmd->root_lock); - memcpy(&cmd->stats, stats, sizeof(*stats)); + cmd->stats = *stats; up_write(&cmd->root_lock); } Index: linux/drivers/md/dm-cache-target.c =================================================================== --- linux.orig/drivers/md/dm-cache-target.c +++ linux/drivers/md/dm-cache-target.c @@ -1913,7 +1913,7 @@ static int cache_create(struct cache_arg ti->discards_supported = true; ti->discard_zeroes_data_unsupported = true; - memcpy(&cache->features, &ca->features, sizeof(cache->features)); + cache->features = ca->features; ti->per_bio_data_size = get_per_bio_data_size(cache); cache->callbacks.congested_fn = cache_is_congested;