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

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On Tue, Jul 8, 2008 at 8:37 AM, Nikanth Karthikesan <knikanth@xxxxxxx> wrote:
> Since linux-2.6.25 CAP_SYS_ADMIN capability is not required to set
> IOPRIO_CLASS_IDLE.
>
> Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>
>
> ---
>  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?

The change will be in man-pages-3.04.

Cheers,

Michael
-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html
Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html
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