dm cache: replace memcpy with struct assignment

Use struct assignment rather than memcpy in dm cache.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 83e995f..1af7255 100644 (file)
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1044,7 +1044,7 @@ void dm_cache_metadata_get_stats(struct dm_cache_metadata *cmd,
                                 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 dm_cache_metadata *cmd,
                                 struct dm_cache_statistics *stats)
 {
        down_write(&cmd->root_lock);
-       memcpy(&cmd->stats, stats, sizeof(*stats));
+       cmd->stats = *stats;
        up_write(&cmd->root_lock);
 }
 

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 004d705..2f3348c 100644 (file)
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -1913,7 +1913,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
        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;