btrfs: build fixup for qgroup_account_snapshot

The macro btrfs_std_error got renamed to btrfs_handle_fs_error in an
independent branch for the same merge target (4.7). To make the code
compilable for bisectability reasons, add a temporary stub.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index d7172d7ced5f3b6dfaa0d9a4da7a190da4b7eed5..530081388d776a4c9f7eb5523c9a4eb683a13cdc 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1311,6 +1311,11 @@ int btrfs_defrag_root(struct btrfs_root *root)
        return ret;
 }
 
+/* Bisesctability fixup, remove in 4.8 */
+#ifndef btrfs_std_error
+#define btrfs_std_error btrfs_handle_fs_error
+#endif
+
 /*
  * Do all special snapshot related qgroup dirty hack.
  *