Subject: Re: linux-next: manual merge of the vfs tree with the overlayfs tree

From: David Howells <[email-masked]>
Date: Tue, 19 Jun 2018 09:40:38 +0100

Stephen Rothwell <[email-masked]> wrote:

>  /* These sb flags are internal to the kernel */
>  #define MS_SUBMOUNT     (1<<26)
> -#define MS_NOREMOTELOCK	(1<<27)
>  #define MS_NOSEC	(1<<28)
>  #define MS_BORN		(1<<29)
>  #define MS_ACTIVE	(1<<30)

Ummm...  Can MS_NOREMOTELOCK be removed?  I know it's listed in the internal
flags section, but all of these have been exposed to userspace for over a
year.  Ideally, I'd remove all of these from UAPI, but can anyone guarantee
that no pieces of userspace refer to them?

David