[dm-devel] [PATCH 01/15] dm-zoned: add debugging message for reading superblocks
Hannes Reinecke
hare at suse.de
Tue Jun 2 11:09:42 UTC 2020
Signed-off-by: Hannes Reinecke <hare at suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal at wdc.com>
---
drivers/md/dm-zoned-metadata.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 4a2e351365c5..ef1524d5928a 100644
--- 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);
}
--
2.16.4
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