Re: [PATCH 1/2] md/cluster: reshape should returns error when remote doing resyncing job

[Song Liu <song@kernel.org>]

On Thu, Nov 5, 2020 at 5:11 AM Zhao Heming <heming.zhao@suse.com> wrote:
>
> Test script (reproducible steps):
> ```
> ssh root@node2 "mdadm -S --scan"
> mdadm -S --scan
> mdadm --zero-superblock /dev/sd{g,h,i}
> for i in {g,h,i};do dd if=/dev/zero of=/dev/sd$i oflag=direct bs=1M \
> count=20; done
>
> echo "mdadm create array"
> mdadm -C /dev/md0 -b clustered -e 1.2 -n 2 -l mirror /dev/sdg /dev/sdh
> echo "set up array on node2"
> ssh root@node2 "mdadm -A /dev/md0 /dev/sdg /dev/sdh"
>
> sleep 5
>
> mdadm --manage --add /dev/md0 /dev/sdi
> mdadm --wait /dev/md0
> mdadm --grow --raid-devices=3 /dev/md0
>
> mdadm /dev/md0 --fail /dev/sdg
> mdadm /dev/md0 --remove /dev/sdg
>  #mdadm --wait /dev/md0
> mdadm --grow --raid-devices=2 /dev/md0
> ```

I found it was hard for me to follow this set. IIUC, the two patches try to
address one issue. Please add a cover letter and reorganize the descriptions
like:

  cover-letter: error behavior, repro steps, analysis, and maybe describe the
             relationship of the two patches.
  1/2 and 2/2: what is being fixed.

Thanks,
Song

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