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SubjectRe: Subject: [PATCH] rtc: Explicitly set llseek to no_llseek
On Wed, 21 Oct 2009 23:13:26 +0200 (CEST)
John Kacur <jkacur@redhat.com> wrote:

> >From e1b7175258b33da3b0564ef04a0b1956f04f0cc7 Mon Sep 17 00:00:00 2001
> From: John Kacur <jkacur@redhat.com>
> Date: Wed, 21 Oct 2009 23:10:30 +0200
> Subject: [PATCH] rtc: Explicitly set llseek to no_llseek
>
> Now that we've removed the BKL here, lets explicitly set llseek to no_llseek
> since the default llseek is not used here.
>

I don't understand.

>
> diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c
> index 26a47dc..53c524e 100644
> --- a/drivers/char/efirtc.c
> +++ b/drivers/char/efirtc.c
> @@ -285,6 +285,7 @@ static const struct file_operations efi_rtc_fops = {
> .unlocked_ioctl = efi_rtc_ioctl,
> .open = efi_rtc_open,
> .release = efi_rtc_close,
> + .llseek = no_llseek,
> };
>
> static struct miscdevice efi_rtc_dev= {

What has this change to do with the BKL?


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