dm thin metadata: call precommit before saving the roots

commit 91bcdb92d39711d1adb40c26b653b7978d93eb98 upstream.

These calls were the wrong way round in __write_initial_superblock.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index a15091a0d40c..4477bf930cf4 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -485,11 +485,11 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
         if (r < 0)
                 return r;
 
-        r = save_sm_roots(pmd);
+        r = dm_tm_pre_commit(pmd->tm);
         if (r < 0)
                 return r;
 
-        r = dm_tm_pre_commit(pmd->tm);
+        r = save_sm_roots(pmd);
         if (r < 0)
                 return r;