[dm-devel] [PATCH 01/12] dm-zoned: add debugging message for reading superblocks

[Hannes Reinecke]

Signed-off-by: Hannes Reinecke <hare at suse.de>
---
 drivers/md/dm-zoned-metadata.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 4a2e351365c5..b0d3ed4ac56a 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1105,6 +1105,9 @@ static int dmz_check_sb(struct dmz_metadata *zmd, unsigned int set)
  */
 static int dmz_read_sb(struct dmz_metadata *zmd, unsigned int set)
 {
+	DMDEBUG("(%s): read superblock set %d dev %s block %llu",
+		zmd->devname, 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);
 }
-- 
2.16.4