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

From: Jens Axboe <[email-masked]>
Date: Thu, 8 Oct 2020 14:17:41 -0600

On 10/8/20 2:05 PM, Naresh Kamboju wrote:
> On Thu, 8 Oct 2020 at 23:41, Naresh Kamboju <[email-masked]> 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