On 8/27/19 4:01 AM, Ming Lei wrote:
The kernfs built-in lock of 'kn->count' is held in sysfs .show/.store path. Meantime, inside block's .show/.store callback, q->sysfs_lock is required.
> [ ... ]
Reviewed-by: Bart Van Assche <[email protected]>
- [PATCH V4 0/5] block: don't acquire .sysfs_lock before rem... Ming Lei
- [PATCH V4 2/5] block: don't hold q->sysfs_lock in ... Ming Lei
- [PATCH V4 1/5] block: Remove blk_mq_register_dev() Ming Lei
- [PATCH V4 4/5] block: add helper for checking if queu... Ming Lei
- [PATCH V4 3/5] blk-mq: don't hold q->sysfs_lock in... Ming Lei
- [PATCH V4 5/5] block: split .sysfs_lock into two lock... Ming Lei
- Re: [PATCH V4 5/5] block: split .sysfs_lock into ... Bart Van Assche
- Re: [PATCH V4 0/5] block: don't acquire .sysfs_lock b... Jens Axboe
