[RFC PATCH] fanotify, inotify, dnotify, security: add security hook for fs notifications

[Joe Perches]

On Wed, 2019-07-10 at 09:49 -0700, Randy Dunlap wrote:
> On 7/10/19 9:38 AM, Casey Schaufler wrote:
> > On 7/10/2019 6:34 AM, Aaron Goidel wrote:
> > > @@ -3261,6 +3262,26 @@ static int selinux_inode_removexattr(struct dentry *dentry, const char *name)
> > >  	return -EACCES;
> > >  }
> > >  
> > > +static int selinux_inode_notify(struct inode *inode, u64 mask)
> > > +{
> > > +	u32 perm = FILE__WATCH; // basic permission, can a watch be set?
> > 
> > We don't use // comments in the Linux kernel.
> > 
> 
> I thought that we had recently moved into the 21st century on that issue,
> but I don't see it mentioned in coding-style.rst.  Maybe we need a Doc update.
> 
> checkpatch allows C99 comments by default.
> Joe, do you recall about this?

My recollection is it was something I thought was
just simple and useful so I added it to checkpatch
without going through the negative of the nominal
approvals required by modifying CodingStyle.