On Tue, 28 Nov 2000, David S. Miller wrote:
> What you want is something like:
> 
> static int num_open_files(struct files_struct *files, int size)
> {
> 	total = 0;
> 	for (i = size / (8 * sizeof(long)); i > 0; )
> 		total += count_bits(files->open_fds->fds_bits[--i]);
> 
> 	return total;
> }

Ok, since we have to walk the sets and test the bits anyway, I propose to
make close_files() to return 'nr_open_fds' and accept an extra argument
'doclose=0 or 1' which will specify whether we want to close the 'fd' or
whether we just want to count them.

Regards,
Tigran

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