From: Josef Bacik <josef@toxicpanda.com>
Date: Fri, 12 Mar 2021 20:25:09 +0000 (-0500)
Subject: btrfs: handle record_root_in_trans failure in qgroup_account_snapshot
X-Git-Tag: accepted/tizen/unified/20230118.172025~7052^2~69
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1c442d22466074b8290d89ddda2c2edbf8be1eaf;p=platform%2Fkernel%2Flinux-rpi.git

btrfs: handle record_root_in_trans failure in qgroup_account_snapshot

record_root_in_trans can fail currently, so handle this failure
properly.

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/transaction.c b/fs/btrfs/transaction.c
index deb1864..6362549 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1454,7 +1454,9 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
 	 * recorded root will never be updated again, causing an outdated root
 	 * item.
 	 */
-	record_root_in_trans(trans, src, 1);
+	ret = record_root_in_trans(trans, src, 1);
+	if (ret)
+		return ret;
 
 	/*
 	 * btrfs_qgroup_inherit relies on a consistent view of the usage for the
@@ -1523,7 +1525,7 @@ out:
 	 * insert_dir_item()
 	 */
 	if (!ret)
-		record_root_in_trans(trans, parent, 1);
+		ret = record_root_in_trans(trans, parent, 1);
 	return ret;
 }