From: Josef Bacik <josef@toxicpanda.com>
Date: Fri, 12 Mar 2021 20:25:02 +0000 (-0500)
Subject: btrfs: handle btrfs_record_root_in_trans failure in btrfs_rename_exchange
X-Git-Tag: accepted/tizen/unified/20230118.172025~7052^2~76
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=00aa8e87c9dc63bf145bee00d890198cf7c45a24;p=platform%2Fkernel%2Flinux-rpi.git

btrfs: handle btrfs_record_root_in_trans failure in btrfs_rename_exchange

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

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 41517d1..179ffb9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9108,8 +9108,11 @@ static int btrfs_rename_exchange(struct inode *old_dir,
 		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;
+	}
 
 	/*
 	 * We need to find a free sequence number both in the source and