Re: [PATCH v3 4/6] blktrace: fix debugfs use after free

[Christoph Hellwig]

On Wed, Apr 29, 2020 at 12:02:30PM +0000, Luis Chamberlain wrote:
> > Err, that function is static and has two callers.
> 
> Yes but that is to make it easier to look for who is creating the
> debugfs_dir for either the request_queue or partition. I'll export
> blk_debugfs_root and we'll open code all this.

No, please not.  exported variables are usually a bad idea.  Just
skip the somewhat pointless trivial static function.