Re: New reflink(2) syscall

[Stephen Smalley <sds@tycho.nsa.gov>]

On Tue, 2009-05-05 at 11:00 -0700, Joel Becker wrote:
> On Mon, May 04, 2009 at 12:59:39PM -0400, Stephen Smalley wrote:
> > On Tue, 2009-05-05 at 01:35 +1000, James Morris wrote:
> > > Agreed, perhaps something like:
> > > 
> > > int security_inode_reflink(struct dentry *dentry, struct inode *dir);
> > 
> > I'd pass the same arguments as vfs_reflink(), i.e. old_dentry, dir,
> > new_dentry.
> 
> 	I'm about to insert this bit.  I agree with
> security_inode_reflink(old_dentry, dir, new_dentry), but I note that
> security_path_reflink() was proposed in another email, and I'm guessing
> I should add both?

The TOMOYO folks said that calling security_path_link() would suffice
for their purposes.  SELinux would want security_inode_reflink() from
vfs_reflink().

-- 
Stephen Smalley
National Security Agency