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On Thu, 20 Jul 2006 15:07:30 +0300 (EEST)
Pekka J Enberg <penberg@cs.Helsinki.FI> wrote:
> > This patch implements the revoke(2) and frevoke(2) system calls for all
> > types of files.
> >
> > ...
> >
> > - file = fget_light(fd, &fput_needed);
> > + file = fget(fd);
On Fri, 21 Jul 2006, Andrew Morton wrote:
> This is sad.
There are alternatives, playing games with ->f_op, creating fake struct
file, and doing IS_REVOKED if-else in the paths, but I think this is by
far the simplest way to do it. So in the Andrew scale of sads, how
sad is it, exactly?-)
On Thu, 20 Jul 2006 15:07:30 +0300 (EEST)
Pekka J Enberg <penberg@cs.Helsinki.FI> wrote:
> > +static int revoke_files(struct task_struct *owner, struct inode *inode,
> > + struct file *exclude, struct list_head *to_close)
> > +{
> > ...
> > + spin_lock(&files->file_lock);
> > ...
> > + revoked = kmalloc(sizeof(*revoked), GFP_KERNEL);
On Fri, 21 Jul 2006, Andrew Morton wrote:
> This is bad.
Indeed, I'll come up with a better one as soon as I sort out the mmap
takedown issues.
Thanks Andrew.
Pekka
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