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SubjectRe: [patch 2.5] seq_file for /proc/partitions


On Sat, 23 Mar 2002 rddunlap@osdl.org wrote:

> +static void *part_next(struct seq_file *part, void *v, loff_t *pos)
> +{
> + ++*pos;
> + return part_start(part, pos);

Erm... Actually that _is_ wrong - what you want is

return ((struct gendisk)v)->next;

> +}

Reasons:
a) just how many times do you want to grab that lock?
b) why bother scanning the list from the very beginning each time?

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