On Tue, Aug 14, 2012 at 10:27:21PM +0100, Al Viro wrote:
> On Tue, Aug 14, 2012 at 11:56:49PM +0400, Cyrill Gorcunov wrote:
> > Al, does the patch below looks better? If so I'll fix up the rest.
>
> > struct file_operations {
> > struct module *owner;
> > + struct seq_operations *fdinfo_ops;
>
> IDGI. Why on the earth do you need the whole iterator? All it takes
> is show_fdinfo(struct seq_file *m, struct file *f); have ->show() in
> your iterator (one going through the files) call that sucker for the
> file we are trying to show.
>
> I think you are severely overdesigning that thing...
Hmm, in very first versions I've been using one ->show method, but
then I thought that this is not very correlate with seq-files idea
where for each record show/next sequence is called. I'll update (this
for sure will make code simplier, and I'll have to check for seq-file
overflow after seq_printf call to not continue printing data for too
long if buffer already out of space).
Cyrill
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