Re: [PATCH 2/2] btrfs: warn if leaking delayed_nodes

[Qu Wenruo <wqu@suse.com>]

在 2025/5/28 04:58, Leo Martins 写道:
> Add a warning for leaked delayed_nodes when putting a root. We currently do this
> for inodes, but not delayed_nodes.
> 
> Signed-off-by: Leo Martins <loemra.dev@gmail.com>

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> ---
>   fs/btrfs/disk-io.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 1beb9458f622..3def93016963 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -1835,6 +1835,8 @@ void btrfs_put_root(struct btrfs_root *root)
>   	if (refcount_dec_and_test(&root->refs)) {
>   		if (WARN_ON(!xa_empty(&root->inodes)))
>   			xa_destroy(&root->inodes);
> +		if (WARN_ON(!xa_empty(&root->delayed_nodes)))
> +			xa_destroy(&root->delayed_nodes);
>   		WARN_ON(test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state));
>   		if (root->anon_dev)
>   			free_anon_bdev(root->anon_dev)