statmount: update STATMOUNT_SUPPORTED macro

According to commit 8f6116b ("statmount: add a new supported_mask
field"), STATMOUNT_SUPPORTED macro shall be updated whenever a new flag
is added.

Fixes: 7a54947 ("Merge patch series "fs: allow changing idmappings"")
Signed-off-by: "Dmitry V. Levin" <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Christian Brauner <[email protected]>

Author: ldv-alt

fs/namespace.c

@@ -5797,7 +5797,9 @@ static int grab_requested_root(struct mnt_namespace *ns, struct path *root)
 			     STATMOUNT_SB_SOURCE | \
 			     STATMOUNT_OPT_ARRAY | \
 			     STATMOUNT_OPT_SEC_ARRAY | \
-			     STATMOUNT_SUPPORTED_MASK)
+			     STATMOUNT_SUPPORTED_MASK | \
+			     STATMOUNT_MNT_UIDMAP | \
+			     STATMOUNT_MNT_GIDMAP)
 
 static int do_statmount(struct kstatmount *s, u64 mnt_id, u64 mnt_ns_id,
 			struct mnt_namespace *ns)