Hi,
在 2023/03/22 9:34, Ming Lei 写道:
On Wed, Mar 22, 2023 at 09:26:07AM +0800, Yu Kuai wrote:
Hi,
在 2023/03/21 19:43, Ming Lei 写道:
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?
Yes, thanks for the report. I realize that sda1 adn sdb1 is created
while raid open sda and sdb excl, and I think this problem should exist
before this patchset.
Looks not reproduced before applying your two patches, that is exactly what Jan
tried to fix with 36369f46e917 ("block: Do not reread partition table on exclusively open device").
Hi, Ming
I just tried your test with this patchset reverted, and I can still
reporduce the problem myself.
raid only open this device excl, and disk_scan_partitions is not called:
md_import_device
blkdev_get_by_devo
I need to add some debuginfo to figure out how GD_NEED_PART_SCAN is set
for sda after raid is stopped. And this should explain why sda1 is
created.
Thanks,
Kuai
The issue is reported by Changhui's block regression test.
Thanks,
Ming
.
