On Thu, 14 Aug 2025 at 01:54, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > > 在 2025/08/13 11:29, Xiao Ni 写道: > > commit 9e59d609763f ("md: call del_gendisk in control path") changes the > > async way to sync way of calling del_gendisk. But it breaks mdadm > > --assemble command. The assemble command runs like this: > > 1. create the array > > 2. stop the array > > 3. access the sysfs files after stopping > > > > The sync way calls del_gendisk in step 2, so all sysfs files are removed. > > Now to avoid breaking mdadm assemble command, this patch adds the parameter > > legacy_async_del_gendisk that can be used to choose which way. The default > > is async way. In future, we plan to change default to sync way in kernel > > 7.0. Then users need to upgrade to mdadm 4.5+ which removes step 2. > > > > Fixes: 9e59d609763f ("md: call del_gendisk in control path") > > Reported-by: Mikulas Patocka <mpatocka@xxxxxxxxxx> > > Closes: https://lore.kernel.org/linux-raid/CAMw=ZnQ=ET2St-+hnhsuq34rRPnebqcXqP1QqaHW5Bh4aaaZ4g@xxxxxxxxxxxxxx/T/#t > > Suggested-and-reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx> > > Signed-off-by: Xiao Ni <xni@xxxxxxxxxx> > > --- > > v2: minor changes on format and log content > > v3: changes in commit message and log content > > v4: choose to change to sync way as default first in commit message > > drivers/md/md.c | 56 ++++++++++++++++++++++++++++++++++++------------- > > 1 file changed, 42 insertions(+), 14 deletions(-) > > > > Aplied to md-6.17 > Thanks Hi, I noticed this bugfix is not in 6.17~rc2 released yesterday, will it be in rc3? Thanks