Re: [PATCH] sony_pi: Remove the BKL from sonypi_misc_open

From: Arnd Bergmann
Date: Mon Oct 19 2009 - 18:09:08 EST


On Tuesday 20 October 2009, Arnd Bergmann wrote:
> On Monday 19 October 2009, John Kacur wrote:
> > How does this look? (Version 2 of the patch follows)
>
> Looks good now.
>

A bit of background:

Doing only one of the two conversions is a correct patch as well
of course, I just want to make sure you don't have to go through all
the same files again once someone does a blind pushdown into the ioctl
and llseek functions, so once you prove that a specific driver doesn't
need the BKL, please always make sure to remove it from all three places.

I fear that the llseek part will get interesting as well, just because
we call default_llseek instead of no_ll by default currently.
It might be a good idea to add one of .llseek=no_llseek or
.llseek=generic_file_llseek in any file_operations that you prove
to not require the BKL.

Arnd <><
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