lkml.org 
[lkml]   [2006]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC:PATCH 4/4] autofs4 - add new packet type for v5 communications
On Fri, 17 Feb 2006, Ian Kent wrote:

> On Fri, 17 Feb 2006, Andrew Morton wrote:
>
> > Ian Kent <raven@themaw.net> wrote:
> > >
> > > +/* autofs v5 common packet struct */
> > > +struct autofs_v5_packet {
> > > + struct autofs_packet_hdr hdr;
> > > + autofs_wqt_t wait_queue_token;
> > > + __u32 dev;
> > > + __u64 ino;
> > > + uid_t uid;
> > > + gid_t gid;
> > > + pid_t pid;
> > > + pid_t tgid;
> > > + int len;
> > > + char name[NAME_MAX+1];
> > > +};
> >
> > Is this known to work with 32-bit userspace on 64-bit kernels?
> >
> > In particular, perhaps the ?id_t's should become a type of known size and
> > alignment (u32 or u64)?
> >
>
> Yes. I take your point.
>
> I used this for some time on my Ultra 2, which has this type of arch,
> without problem. I increased the ino field from 32 to 64 bits since that
> time and haven't since tested it.
>
> I'm happy to change them to 64 bit if you believe it will avoid potential
> problems?
>

Come to think of it my sons has an AMD64 system with a 32 bit Fedora
install on it. I'll test on that as well over the weekend.

Ian

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-02-17 10:24    [from the cache]
©2003-2011 Jasper Spaans