Re: [PATCH][RFC] ipc,fs: use rcu_work to free struct ipc_namespace

[Al Viro]

On Thu, Feb 17, 2022 at 03:36:20PM -0500, Rik van Riel wrote:
> The patch works, but a cleanup question for Al Viro:
> 
> How do we get rid of #include "../fs/mount.h" and the raw ->mnt_ns = NULL thing
> in the cleanest way?

Hell knows...  mnt_make_shortterm(mnt) with big, fat warning along the lines of
"YOU MUST HAVE AN RCU GRACE PERIOD BEFORE YOU DROP THAT REFERENCE!!!", perhaps?