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>

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 911ada64336407fe15f8b5d6fc2df026cf1649cc..3b67afda430b4a9a08eb44be1ca67288e54cccfd 100644 (file)
--- 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;