On Fri, Feb 17, 2023 at 10:21:58AM +0800, Yu Kuai wrote: > From: Yu Kuai <yukuai3@xxxxxxxxxx> > > Changes from RFC: > - remove the patch to factor out GD_NEED_PART_SCAN > > Yu Kuai (2): > block: Revert "block: Do not reread partition table on exclusively > open device" > block: fix scan partition for exclusively open device again Hi Yu kuai, Looks the original issue starts to re-appear now with the two patches: https://lore.kernel.org/linux-block/20221130135344.2ul4cyfstfs3znxg@quack3/ And underlying disk partition and raid partition can be observed at the same time. Can you take a look? Follows the script, which isn't 100% triggered, but still easy. #create level 1 with 2 devices, meta 1.0 mdadm -CR /dev/md0 -l 1 -n 2 /dev/sda /dev/sdb -e 1.0 #create partition 0, start from 0 sector, size 100MiB sgdisk -n 0:0:+100MiB /dev/md0 #observe partitions cat /proc/partitions #stop the array mdadm -S /dev/md0 #re-assemble mdadm -A /dev/md0 /dev/sda /dev/sdb cat /proc/partitions Thanks, Ming
