Re: open a file in spin_lock_irq()

[Dmitry Torokhov <dtor_core@xxxxxxxxxxxxx>]

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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