Re: [PATCH v1 v1 2/7] ntfs3: add namei tracepoints

[Steven Rostedt]

On Fri, 17 Jul 2026 11:22:43 +0800
Baolin Liu <liubaolin12...@163.com> wrote:

> +TRACE_EVENT(ntfs3_lookup,
> +     TP_PROTO(struct inode *dir, struct dentry *dentry),
> +     TP_ARGS(dir, dentry),
> +     TP_STRUCT__entry(
> +             __field(dev_t, dev)
> +             __field(unsigned long, parent_ino)
> +             __string(name, dentry->d_name.name)
> +             __field(unsigned int, name_len)
> +     ),
> +     TP_fast_assign(
> +             __entry->dev = dir->i_sb->s_dev;
> +             __entry->parent_ino = dir->i_ino;
> +             __assign_str(name);
> +             __entry->name_len = dentry->d_name.len;

Is dentry->d_name.len not equal to strlen(dentry->d_name.name) + 1 ?

-- Steve


> +     ),
> +     TP_printk("dev=(%d,%d) parent=%lu name=%s len=%u",
> +               MAJOR(__entry->dev), MINOR(__entry->dev),
> +               __entry->parent_ino, __get_str(name),
> +               __entry->name_len)
> +);