Re: [PATCH] RDMA/cxgb4: Add default_llseek to debugfs files.

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On 09/29/2010 12:19 PM, Roland Dreier wrote:
  >  @@ -182,6 +182,7 @@ static const struct file_operations qp_debugfs_fops = {
  >   	.open    = qp_open,
  >   	.release = qp_release,
  >   	.read    = debugfs_read,
  >  +	.llseek  = default_llseek,
  >   };

I think this could actually be generic_file_llseek (right, Arnd?).

Also could qp_read() and other read methods be simplified by using
simple_read_from_buffer()?  I don't see anything fancy there, seems like
the read methods could become one-liners that way.


I assume you mean debugs_read()...Like this?

static ssize_t debugfs_read(struct file *file, char __user *buf, size_t count,
                            loff_t *ppos)
{
        struct c4iw_debugfs_data *d = file->private_data;

        return simple_read_from_buffer(buf, ppos, d->buf, d->pos);
}


Steve.
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