Thread (89 messages) 89 messages, 3 authors, 2021-07-09
STALE1815d REVIEWED: 4 (4M)

[PATCH AUTOSEL 5.13 71/85] btrfs: abort transaction if we fail to update the delayed inode

From: Sasha Levin <sashal@kernel.org>
Date: 2021-07-04 23:06:58
Also in: linux-btrfs, lkml
Subsystem: btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers: Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds

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 3091540fc22a..3bb8b919d2c1 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1050,6 +1050,14 @@ static int __btrfs_update_delayed_inode(struct btrfs_trans_handle *trans,
 	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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