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

["Michael Kerrisk" <mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>]

On Tue, Jul 8, 2008 at 9:17 AM, Michael Kerrisk
<mtk.manpages-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> 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.

And I fixed my typo there: "since Linux 2.6.25..."
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