From: Joe Thornber <[email-masked]>

Remove some duplicate initialisation of struct dm_pool_metadata.

These pmd fields are initialised by both:
  __format_metadata's calls to dm_btree_empty
  __write_initial_superblock + __begin_transaction

Signed-off-by: Joe Thornber <[email-masked]>
Signed-off-by: Mike Snitzer <[email-masked]>
Signed-off-by: Alasdair G Kergon <[email-masked]>
---
 drivers/md/dm-thin-metadata.c |    5 -----
 1 file changed, 5 deletions(-)

Index: linux/drivers/md/dm-thin-metadata.c
===================================================================
--- linux.orig/drivers/md/dm-thin-metadata.c
+++ linux/drivers/md/dm-thin-metadata.c
@@ -512,11 +512,6 @@ static int __format_metadata(struct dm_p
 
 	__setup_btree_details(pmd);
 
-	pmd->root = 0;
-	pmd->details_root = 0;
-	pmd->trans_id = 0;
-	pmd->flags = 0;
-
 	r = dm_btree_empty(&pmd->info, &pmd->root);
 	if (r < 0)
 		goto bad_data_sm;