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Subject: Re: scsi: block: ioprio: Clean up interface definition -
 ioprio_set03.c:40: TFAIL: ioprio_set IOPRIO_CLASS_BE prio 8 should not work
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To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: linux-block <linux-block@vger.kernel.org>, LTP List <ltp@lists.linux.it>,
 Linux Regressions <regressions@lists.linux.dev>,
 lkft-triage@lists.linaro.org, open list <linux-kernel@vger.kernel.org>,
 Anders Roxell <anders.roxell@linaro.org>,
 Dan Carpenter <dan.carpenter@linaro.org>, chrubis <chrubis@suse.cz>,
 Petr Vorel <pvorel@suse.cz>, Hannes Reinecke <hare@suse.de>,
 Christoph Hellwig <hch@lst.de>, Niklas Cassel <niklas.cassel@wdc.com>,
 "Martin K. Petersen" <martin.petersen@oracle.com>,
 Jens Axboe <axboe@kernel.dk>
References: <CA+G9fYu1hB2OMf0EFrt_86OE=0Ug3y6nQd3=OZeEeM1jp3P92g@mail.gmail.com>
 <11a31e09-2e11-43a4-8995-ae70c5bef8bf@kernel.org>
 <CA+G9fYthC3qsH8ey=j3RvCr4-0zp1S3Ysr5QvY6SptorHpju1g@mail.gmail.com>
From: Damien Le Moal <dlemoal@kernel.org>
Organization: Western Digital Research
In-Reply-To: <CA+G9fYthC3qsH8ey=j3RvCr4-0zp1S3Ysr5QvY6SptorHpju1g@mail.gmail.com>
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On 1/13/24 16:05, Naresh Kamboju wrote:
> On Fri, 12 Jan 2024 at 10:49, Damien Le Moal <dlemoal@kernel.org> wrote:
>>
>> On 1/12/24 14:15, Naresh Kamboju wrote:
>>> The LTP test 'iopri_set03' fails on all the devices.
>>> It fails on linux kernel >= v6.5. ( on Debian rootfs ).
>>> Test fail confirmed on LTP release 20230929 and 20230516.
>>>
>>> Test failed log:
>>> ------------
>>> tst_test.c:1690: TINFO: LTP version: 20230929
>>> tst_test.c:1574: TINFO: Timeout per run is 0h 05m 00s
>>> ioprio_set03.c:40: TFAIL: ioprio_set IOPRIO_CLASS_BE prio 8 should not work
>>> ioprio_set03.c:48: TINFO: tested illegal priority with class NONE
>>> ioprio_set03.c:51: TPASS: returned correct error for wrong prio: EINVAL (22)
>>>
>>> Investigation:
>>> ----------
>>> Bisecting this test between kernel v6.4 and v6.5 shows patch
>>> eca2040972b4 ("scsi: block: ioprio: Clean up interface definition")
>>> as the first faulty commit.
>>>
>>> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>>
>> This is fixed in LTP. Please update your LTP setup to avoid this issue.
> 
> Please point me to the fixed commit id.

git log --author="Damien Le Moal"

And of course you need to make sure that you are compiling LTP against the
kernel headers of the target test kernel.


-- 
Damien Le Moal
Western Digital Research