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: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 7768de60f6997ac21b96dc2760ac86c65739c46c..0f9d9bcc91ed494fea1447ece153b012f13bf53d 100644 (file)
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -484,11 +484,11 @@ 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;