Re: Re: [PATCH v2] io_uring: Avoid polling configuration errors

[hexue]

>This is wrong for multiple reasons.  One is that we can't simply poke
>into block device internals like this in a higher layer like io_uring.
>Second blkdev_get_no_open is in no way available for use outside the
>block layer.  The fact that the even exist as separate helpers that
>aren't entirely hidden is a decade old layering violation in blk-cgroup.

Got it, thanks.

>If you want to advertize this properly we'll need a flag in struct
>file or something similar.

Thanks, I will try to do this.

--
hexue