From: Josef Bacik <josef@toxicpanda.com>
Date: Fri, 12 Mar 2021 15:25:03 -0500
Subject: btrfs: handle btrfs_record_root_in_trans failure in btrfs_rename
Git-commit: b0fec6fd330fe10cb68c137f6b7a17898ee69671
Patch-mainline: v5.13-rc1
References: bsc#1187833

btrfs_record_root_in_trans will return errors in the future, so handle
the error properly in btrfs_rename.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Acked-by: Nikolay Borisov <nborisov@suse.com>
---
 fs/btrfs/inode.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 179ffb9529d4..b8863537d31d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9416,8 +9416,11 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		goto out_notrans;
 	}
 
-	if (dest != root)
-		btrfs_record_root_in_trans(trans, dest);
+	if (dest != root) {
+		ret = btrfs_record_root_in_trans(trans, dest);
+		if (ret)
+			goto out_fail;
+	}
 
 	ret = btrfs_set_inode_index(BTRFS_I(new_dir), &index);
 	if (ret)