On Tue, 27 Oct 2020, Mickaël Salaün wrote:

> From: Mickaël Salaün <[email protected]>
> 
> The sb_delete security hook is called when shutting down a superblock,
> which may be useful to release kernel objects tied to the superblock's
> lifetime (e.g. inodes).
> 
> This new hook is needed by Landlock to release (ephemerally) tagged
> struct inodes.  This comes from the unprivileged nature of Landlock
> described in the next commit.
> 
> Cc: Al Viro <[email protected]>
> Cc: James Morris <[email protected]>
> Cc: Jann Horn <[email protected]>
> Cc: Kees Cook <[email protected]>
> Cc: Serge E. Hallyn <[email protected]>
> Signed-off-by: Mickaël Salaün <[email protected]>

Al, Kees, JJ et al, any objections?

-- 
James Morris
<[email protected]>

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