dm thin: log info when growing the data or metadata device
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 35d2e41..2346960 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2216,6 +2216,10 @@
return -EINVAL;
} else if (data_size > sb_data_size) {
+ if (sb_data_size)
+ DMINFO("%s: growing the data device from %llu to %llu blocks",
+ dm_device_name(pool->pool_md),
+ sb_data_size, (unsigned long long)data_size);
r = dm_pool_resize_data_dev(pool->pmd, data_size);
if (r) {
metadata_operation_failed(pool, "dm_pool_resize_data_dev", r);
@@ -2253,6 +2257,9 @@
return -EINVAL;
} else if (metadata_dev_size > sb_metadata_dev_size) {
+ DMINFO("%s: growing the metadata device from %llu to %llu blocks",
+ dm_device_name(pool->pool_md),
+ sb_metadata_dev_size, metadata_dev_size);
r = dm_pool_resize_metadata_dev(pool->pmd, metadata_dev_size);
if (r) {
metadata_operation_failed(pool, "dm_pool_resize_metadata_dev", r);