[PATCH v6 35/40] fs: introduce MOUNT_ATTR_IDMAP

[Christoph Hellwig]

On Fri, Jan 22, 2021 at 06:33:40PM +0100, Christoph Hellwig wrote:
> >  /*
> >   * mount_setattr()
> > @@ -127,9 +128,10 @@ struct mount_attr {
> >  	__u64 attr_set;
> >  	__u64 attr_clr;
> >  	__u64 propagation;
> > +	__u64 userns_fd;
> >  };
> >  
> >  /* List of all mount_attr versions. */
> > -#define MOUNT_ATTR_SIZE_VER0	24 /* sizeof first published struct */
> > +#define MOUNT_ATTR_SIZE_VER0	32 /* sizeof first published struct */
> 
> I think this hunk needs to go into the patch adding the structure.

But except for that the patch looks fine:

Reviewed-by: Christoph Hellwig <hch at lst.de>