Re: [PATCH] ioprio_set.2: CAP_SYS_ADMIN is not reqd to set IOPRIO_CLASS_IDLE anymore

[Nikanth Karthikesan <knikanth-l3A5Bk7waGM@public.gmane.org>]

On Tuesday 08 July 2008 12:47:26 Michael Kerrisk wrote:
> On Tue, Jul 8, 2008 at 8:37 AM, Nikanth Karthikesan <knikanth-l3A5Bk7waGM@public.gmane.org> 
wrote:
> > Since linux-2.6.25 CAP_SYS_ADMIN capability is not required to set
> > IOPRIO_CLASS_IDLE.
> >
> > Signed-off-by: Nikanth Karthikesan <knikanth-l3A5Bk7waGM@public.gmane.org>
> >
> > ---
> >  man2/ioprio_set.2 |    7 ++++---
> >  1 file changed, 4 insertions(+), 3 deletions(-)
> >
> > Index: b/man2/ioprio_set.2
> > ===================================================================
> > --- a/man2/ioprio_set.2
> > +++ b/man2/ioprio_set.2
> > @@ -293,11 +293,12 @@ capability can change the priority of an
> >  .B "What is the desired priority"
> >  Attempts to set very high priorities
> >  .RB ( IOPRIO_CLASS_RT )
> > -or very low ones
> > -.RB ( IOPRIO_CLASS_IDLE )
> >  require the
> >  .B CAP_SYS_ADMIN
> > -capability.
> > +capability. Kernel versions till 2.6.24 require
> > +.B CAP_SYS_ADMIN
> > +capability even to set very low priority
> > +.RB ( IOPRIO_CLASS_IDLE ).
>
> Hi Nikanth,
>
> Thanks for this!
>
> I'll reword this as
>
> ==
> Attempts to set very high priorities
> .RB ( IOPRIO_CLASS_RT )
> require the
> .B CAP_SYS_ADMIN
> capability.
> Kernel versions up to 2.6.24 also required
> B CAP_SYS_ADMIN
> to set very low priority
> .RB ( IOPRIO_CLASS_IDLE ),
> but since Linux 2.6.24 this is no longer required.
> ==
>
> Okay?
>

Thanks, Michael.

> The change will be in man-pages-3.04.
>

Thanks
Nikanth Karthikesan
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