Re: [PATCH] add securityfs for all LSMs to use

Ingo Oeser
2005-07-06T20:23:36Z

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Hi Greg,

On Wednesday 06 July 2005 10:17, Greg KH wrote:
> + * TODO:
> + * I think I can get rid of these default_file_ops, but not quite sure...
> + */
> +static ssize_t default_read_file(struct file *file, char __user *buf,
> + size_t count, loff_t *ppos)
> +{
> + return 0;
> +}
> +
> +static ssize_t default_write_file(struct file *file, const char __user *buf,
> + size_t count, loff_t *ppos)
> +{
> + return count;
> +}

Yes, you can get rid of both, if you move read_null and write_null from
drivers/char/mem.c to fs/libfs.c and export them.

But for what do you need a successful dummy read/write?

Regards

Ingo Oeser

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