On Sat, Apr 30, 2016 at 10:02:31AM -0700, Greg Kroah-Hartman wrote:
> On Fri, Apr 29, 2016 at 04:18:35PM +0200, Andreas Gruenbacher wrote:
> > Unlike with most other filesystems, xattrs in kernfs are attached to the
> > dentries (dentry->d_fsdata). Once security modules start calling get
> > xattr handlers with a NULL dentry (because of an unknown dentry), we'll
> > have to start check for that in kernfs_xattr_get.
> >
> > Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> Note, I'm not the only maintainer of kernfs...
>
> Anyway:
> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Guys, kernfs uses ->d_fsdata to get to them, but note
static void kernfs_init_inode(struct kernfs_node *kn, struct inode *inode)
{
kernfs_get(kn);
inode->i_private = kn;
IOW, inode->i_private would work just as well - it points to the same thing.
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