Re: [PATCH] ocfs2: update seq_file index in ocfs2_dlm_seq_next V2
From: Joseph Qi
Date: Tue Nov 19 2024 - 20:49:17 EST
On 11/20/24 1:45 AM, Wengang Wang wrote:
> The following INFO level message was seen:
>
> seq_file: buggy .next function ocfs2_dlm_seq_next [ocfs2] did not
> update position index
>
> Fix:
> Update *pos (so m->index) to make seq_read_iter happy though the index its
> self makes no sense to ocfs2_dlm_seq_next.
>
> Signed-off-by: Wengang Wang <wen.gang.wang@xxxxxxxxxx>
Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
> ---
> fs/ocfs2/dlmglue.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
> index 60df52e4c1f8..764ecbd5ad41 100644
> --- a/fs/ocfs2/dlmglue.c
> +++ b/fs/ocfs2/dlmglue.c
> @@ -3110,6 +3110,7 @@ static void *ocfs2_dlm_seq_next(struct seq_file *m, void *v, loff_t *pos)
> struct ocfs2_lock_res *iter = v;
> struct ocfs2_lock_res *dummy = &priv->p_iter_res;
>
> + (*pos)++;
> spin_lock(&ocfs2_dlm_tracking_lock);
> iter = ocfs2_dlm_next_res(iter, priv);
> list_del_init(&dummy->l_debug_list);