Re: [patch 5/7] ps3: Disk Storage Driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 25 May 2007, Arnd Bergmann wrote:
> On Friday 25 May 2007, Geert Uytterhoeven wrote:
> > > I don't really understand what the kthread is needed for. You probably
> > > thought about multiple options and ended up with this, but having
> > > a comment in front of it might be helpful.
> > 
> > I used a kthread because the request function of a block device driver must be
> > non-blocking, and ps3stor_read_write_sectors() calls wait_for_completion().
> 
> Ok, but why does it call wait_for_completion() then?
> I thought you could end_that_request_* from the interrupt handler instead.

Actually I tried that first, but I ran into other problems, like my request
handler being called continuously and requests gotten stuck. But maybe it was
just a locking bug on my side.

I can retry, but a disadvantage will be that there will be less code shared
with ps3flash and ps3rom.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
[email protected] ------- The Corporate Village, Da Vincilaan 7-D1
Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux