[PATCH 4.19 074/421] btrfs: abort transaction if we fail to update the delayed inode

Greg Kroah-Hartman
2021-07-19T16:08:26Z

From: Josef Bacik <josef@toxicpanda.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@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.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 f3994ee1a6e6..1fbe2dee1e70 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1071,6 +1071,14 @@ err_out:
btrfs_delayed_inode_release_metadata(fs_info, node, (ret < 0));
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;

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