On Fri, 3 Jun 2022 11:19:05 +0900, Damien Le Moal wrote:
> When being read, a sysfs attribute is already protected against removal
> with the kobject node active reference counter. As a result, in
> blk_ia_range_sysfs_show(), there is no need to take the queue sysfs
> lock when reading the value of a range attribute. Using the queue sysfs
> lock in this function creates a potential deadlock situation with the
> disk removal, something that a lockdep signals with a splat when the
> device is removed:
>
> [...]
Applied, thanks!
[1/1] block: Fix potential deadlock in blk_ia_range_sysfs_show()
commit: 41e46b3c2aa24f755b2ae9ec4ce931ba5f0d8532
Best regards,
--
Jens Axboe
