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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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