dm zoned: add debugging message for reading superblocks

Signed-off-by: Hannes Reinecke <[email protected]> Reviewed-by: Damien Le Moal <[email protected]> Signed-off-by: Mike Snitzer <[email protected]>
ashr · Jun 5, 2020 · 35d0c96 · 35d0c96
1 parent 334b4fc
commit 35d0c96
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
@@ -1105,6 +1105,10 @@ static int dmz_check_sb(struct dmz_metadata *zmd, unsigned int set)
  */
 static int dmz_read_sb(struct dmz_metadata *zmd, unsigned int set)
 {
+	dmz_zmd_debug(zmd, "read superblock set %d dev %s block %llu",
+		      set, zmd->sb[set].dev->name,
+		      zmd->sb[set].block);
+
 	return dmz_rdwr_block(zmd->sb[set].dev, REQ_OP_READ,
 			      zmd->sb[set].block, zmd->sb[set].mblk->page);
 }