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Subject: Re: [ Regressions ] linux next 20201008: blk_update_request: I/O
 error, dev sda, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Christoph Hellwig <hch@lst.de>, dm-devel@redhat.com,
        open list <linux-kernel@vger.kernel.org>,
        linux-block <linux-block@vger.kernel.org>,
        drbd-dev@lists.linbit.com,
        "open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)" 
        <linux-ide@vger.kernel.org>, linux-raid@vger.kernel.org,
        linux-mmc <linux-mmc@vger.kernel.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        lkft-triage@lists.linaro.org
Cc:     Song Liu <song@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        martin.petersen@oracle.com, Hannes Reinecke <hare@suse.de>
References: <CA+G9fYtwisRJtN4ht=ApeWc1jWssDok-7y2wee6Z0kzMP-atKg@mail.gmail.com>
 <CA+G9fYseTYRWoHUNZ=j4mjFs9dDJ-KOD8hDy+RnyDPx75HcVWw@mail.gmail.com>
From:   Jens Axboe <axboe@kernel.dk>
Message-ID: <24c8ee4d-d5f7-e49f-cd0c-7cf50a5fd885@kernel.dk>
Date:   Thu, 8 Oct 2020 14:17:41 -0600
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On 10/8/20 2:05 PM, Naresh Kamboju wrote:
> On Thu, 8 Oct 2020 at 23:41, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>>
>> There are two major regressions noticed on linux next tag 20201008.
>> I will bisect this problem and get back to you.
> 
> Reverting scsi: patch set on  linux next tag 20201008 fixed reported problems.
> git revert --no-edit 653eb7c99d84..ed7fb2d018fd

Just for everyones edification, that would be these 9 patches from the
SCSI tree:

Christoph Hellwig (9):
      scsi: core: Don't export scsi_device_from_queue()
      scsi: core: Remove scsi_init_cmd_errh
      scsi: core: Move command size detection out of the fast path
      scsi: core: Use rq_dma_dir in scsi_setup_cmnd()
      scsi: core: Rename scsi_prep_state_check() to scsi_device_state_check()
      scsi: core: Rename scsi_mq_prep_fn() to scsi_prepare_cmd()
      scsi: core: Clean up allocation and freeing of sgtables
      scsi: core: Remove scsi_setup_cmnd() and scsi_setup_fs_cmnd()
      scsi: core: Only start the request just before dispatching

-- 
Jens Axboe