On 4/5/23 9:42 PM, Yu Kuai wrote: > Hi, Jens! > > 在 2023/03/22 11:59, Yu Kuai 写道: >> From: Yu Kuai <yukuai3@xxxxxxxxxx> >> >> Currently if disk_scan_partitions() failed, GD_NEED_PART_SCAN will still >> set, and partition scan will be proceed again when blkdev_get_by_dev() >> is called. However, this will cause a problem that re-assemble partitioned >> raid device will creat partition for underlying disk. >> >> Test procedure: >> >> mdadm -CR /dev/md0 -l 1 -n 2 /dev/sda /dev/sdb -e 1.0 >> sgdisk -n 0:0:+100MiB /dev/md0 >> blockdev --rereadpt /dev/sda >> blockdev --rereadpt /dev/sdb >> mdadm -S /dev/md0 >> mdadm -A /dev/md0 /dev/sda /dev/sdb >> >> Test result: underlying disk partition and raid partition can be >> observed at the same time >> >> Note that this can still happen in come corner cases that >> GD_NEED_PART_SCAN can be set for underlying disk while re-assemble raid >> device. >> > > Can you apply this patch? None of them apply to my for-6.4/block branch... -- Jens Axboe
