On Wednesday 02 June 2004 01:20 am, Guillaume Thouvenin wrote:
> I implemented the ioctl as follow:
>
> int my_ioctl(...) {
> ...
> switch(cmd) {
> case REMOVE_AN_ITEM:
> spin_lock_irq(&my_lock);
> update_my_structure();
> spin_unlock_irq(&my_lock);
> break;
> ....
> }
> }
>
It your structure accessed form an interrupt/tasklet? If not semaphore is
more appropriate. That's ignoring the fact that whole idea of dumping
anything onto a file system from kernel is messy IMHO.
--
Dmitry
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