Re: [syzbot] [cgroups?] INFO: task hung in cgroup_subtree_control_write (2)

[syzbot <syzbot+bb2e19a1190a556c01b1@syzkaller.appspotmail.com>]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

error[E0560]: struct `blk_mq_tag_set` has no field named `ops`
error[E0560]: struct `blk_mq_tag_set` has no field named `nr_hw_queues`
error[E0560]: struct `blk_mq_tag_set` has no field named `timeout`
error[E0560]: struct `blk_mq_tag_set` has no field named `numa_node`
error[E0560]: struct `blk_mq_tag_set` has no field named `queue_depth`
error[E0560]: struct `blk_mq_tag_set` has no field named `cmd_size`
error[E0560]: struct `blk_mq_tag_set` has no field named `flags`
error[E0560]: struct `blk_mq_tag_set` has no field named `driver_data`
error[E0560]: struct `blk_mq_tag_set` has no field named `nr_maps`
error[E0609]: no field `su_group` on type `configfs_subsystem`
error[E0609]: no field `su_mutex` on type `configfs_subsystem`
error[E0609]: no field `driver_data` on type `acpi_device_id`
error[E0609]: no field `id` on type `acpi_device_id`
error[E0609]: no field `parent` on type `bindings::device`
error[E0609]: no field `release` on type `bindings::device`
error[E0609]: no field `logical_block_size` on type `bindings::queue_limits`
error[E0609]: no field `physical_block_size` on type `bindings::queue_limits`
error[E0609]: no field `features` on type `bindings::queue_limits`
error[E0609]: no field `fops` on type `gendisk`
error[E0609]: no field `disk_name` on type `gendisk`


Tested on:

commit:         c425609d Add linux-next specific files for 20260612
git tree:       linux-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=d0d1fa2afcbce17c
dashboard link: https://syzkaller.appspot.com/bug?extid=bb2e19a1190a556c01b1
compiler:       Debian clang version 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6
patch:          https://syzkaller.appspot.com/x/patch.diff?x=156a8bd2580000