Re: [PATCH] blk-mq: fix up placement of debugfs directory of queue files

From: Jens Axboe
Date: Sat Jul 06 2019 - 12:07:22 EST

On 7/6/19 9:50 AM, Greg Kroah-Hartman wrote:
> When the blk-mq debugfs file creation logic was "cleaned up" it was
> cleaned up too much, causing the queue file to not be created in the
> correct location. Turns out the check for the directory being present
> is needed as if that has not happened yet, the files should not be
> created, and the function will be called later on in the initialization
> code so that the files can be created in the correct location.

How about we shove this in for 5.2 final? Trivial enough to do, and it
would suck to have 5.2 released with this. Though not sure what
devices this actually impacts, I haven't noticed anything awry on
my setups?

Jens Axboe