[PATCH 4.11 033/197] dm thin metadata: call precommit before saving the roots

[Greg Kroah-Hartman]

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joe Thornber <e...@redhat.com>

commit 91bcdb92d39711d1adb40c26b653b7978d93eb98 upstream.

These calls were the wrong way round in __write_initial_superblock.

Signed-off-by: Joe Thornber <e...@redhat.com>
Signed-off-by: Mike Snitzer <snit...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/md/dm-thin-metadata.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -485,11 +485,11 @@ static int __write_initial_superblock(st
        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;