[LTP] [v2] readahead02: fix read_ahead_kb file not found

Jan Stancek
2016-09-13T13:56:47Z

> From: "Jan Stancek" <jstancek@redhat.com>
> To: "Naresh Kamboju" <naresh.kamboju@linaro.org>
> Cc: "graeme gregory" <graeme.gregory@linaro.org>, "milosz wasilewski" <milosz.wasilewski@linaro.org>,
> akpm@linux-foundation.org, "fengguang wu" <fengguang.wu@intel.com>, ltp@lists.linux.it
> Sent: Tuesday, 6 September, 2016 4:22:00 PM
> Subject: Re: [LTP] [v2] readahead02: fix read_ahead_kb file not found
>
>
>
>
>
> ----- Original Message -----
> > From: "Naresh Kamboju" <naresh.kamboju@linaro.org>
> > To: "Jan Stancek" <jstancek@redhat.com>
> > Cc: "chrubis" <chrubis@suse.cz>, ltp@lists.linux.it,
> > akpm@linux-foundation.org, "fengguang wu"
> > <fengguang.wu@intel.com>, "graeme gregory" <graeme.gregory@linaro.org>,
> > "milosz wasilewski"
> > <milosz.wasilewski@linaro.org>
> > Sent: Tuesday, 6 September, 2016 2:33:58 PM
> > Subject: Re: [LTP] [v2] readahead02: fix read_ahead_kb file not found
> >
> > Hi Jan,
> >
> > On 5 September 2016 at 13:06, Jan Stancek <jstancek@redhat.com> wrote:
> > >
> > >
> > > ----- Original Message -----
> > >> From: "naresh kamboju" <naresh.kamboju@linaro.org>
> > >> To: chrubis@suse.cz, ltp@lists.linux.it
> > >> Cc: akpm@linux-foundation.org, "fengguang wu" <fengguang.wu@intel.com>,
> > >> "graeme gregory" <graeme.gregory@linaro.org>,
> > >> "milosz wasilewski" <milosz.wasilewski@linaro.org>
> > >> Sent: Friday, 2 September, 2016 12:42:33 PM
> > >> Subject: [LTP] [v2] readahead02: fix read_ahead_kb file not found
> > >>
> > >> From: Naresh Kamboju <naresh.kamboju@linaro.org>
> > >>
> > >> Test case is looking for read_ahead_kb file on a partition device (8:2)
> > >> and
> > >> not on block device (8:0/8:16/8:32/8:48). The appropriate block device
> > >> that
> > >> holds the partition can be found at queue/read_ahead_kb entry.

Just fyi, there is a patch proposed to change this limit again:
https://lkml.org/lkml/2016/7/25/308

Regards,
Jan