linux-kernel - [PATCH 4.9 045/245] btrfs: abort transaction if we fail to update the delayed inode

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Message-Id: <20210719144941.855812892@linuxfoundation.org>
Date:   Mon, 19 Jul 2021 16:49:47 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 045/245] btrfs: abort transaction if we fail to update the delayed inode

From: Josef Bacik <josef@...icpanda.com>

[ Upstream commit 04587ad9bef6ce9d510325b4ba9852b6129eebdb ]

If we fail to update the delayed inode we need to abort the transaction,
because we could leave an inode with the improper counts or some other
such corruption behind.

Signed-off-by: Josef Bacik <josef@...icpanda.com>
Reviewed-by: David Sterba <dsterba@...e.com>
Signed-off-by: David Sterba <dsterba@...e.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/btrfs/delayed-inode.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 4d8f8a8c9c90..29e75fba5376 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1076,6 +1076,14 @@ err_out:
 	btrfs_delayed_inode_release_metadata(root, node);
 	btrfs_release_delayed_inode(node);
 
+	/*
+	 * If we fail to update the delayed inode we need to abort the
+	 * transaction, because we could leave the inode with the improper
+	 * counts behind.
+	 */
+	if (ret && ret != -ENOENT)
+		btrfs_abort_transaction(trans, ret);
+
 	return ret;
 
 search:
-- 
2.30.2