Hi,
Thanks for your patch.
FYI: kernel test robot notices the stable kernel rule is not satisfied.
Rule: 'Cc: stable@vger.kernel.org' or 'commit <sha1> upstream.' Subject: [PATCH stable 4.9.y] block: unhash blkdev part inode when the part is deleted Link: https://lore.kernel.org/stable/20221213071655.1197875-1-ming.lei%40redhat.co...
The check is based on https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html