[Gluster-devel] Loop mounting

[Michael Fincham]

Disregard this. Apologies for flooding but SSHFS mounted via FUSE on the
same kernel allows read/write mounting of loopback images.

-Michael

On Wed, 2007-08-22 at 10:03 +1200, Michael Fincham wrote:
> It may yet be a kernel issue. Will test further and advise.
> 
> -Michael
> 
> On Wed, 2007-08-22 at 09:50 +1200, Michael Fincham wrote:
> > Hi Avati, list,
> > 
> > I've done a bit more testing with some other FUSE filesystems (fusesmb,
> > mountlo) and they both support loop-mounting read/write, so I think we
> > can rule out it being a FUSE problem.
> > 
> > Any further ideas?
> > 
> > -Michael
> > 
> > On Wed, 2007-08-15 at 21:24 +0530, Anand Avati wrote:
> > > Michael,
> > >  this seems to be a limitation of FUSE itself, because it is
> > > mmap()'ing a file in read-write mode, which seems to have a problem in
> > > fuse. I will soon confirm if this is the same cause.
> > > 
> > > avati
> > > 
> > > 2007/8/15, Michael Fincham <michael at unleash.co.nz>:
> > >         Hi everyone,
> > >         
> > >         Has anyone had success with loop mounting a file stored on a
> > >         glusterfs
> > >         volume?
> > >         
> > >         administrator at vs02:/mnt/temp$ sudo losetup -f file.img
> > >         ioctl: LOOP_SET_FD: Invalid argument
> > >         
> > >         I get this error but the same image works fine on an ext2
> > >         partition. 
> > >         
> > >         I've discussed this a little on the IRC room, and apparently
> > >         it's being
> > >         investigated, but I figured I'd ask if anyone else has come up
> > >         against it
> > >         and has a short-term solution.
> > >         
> > >         Thanks everyone, esp. glusterfs devs ;) 
> > >         
> > >         --
> > >         -Michael Fincham
> > >         Unleash Technology Solutions
> > >         
> > >         
> > >         
> > >         _______________________________________________
> > >         Gluster-devel mailing list
> > >         Gluster-devel at nongnu.org
> > >         http://lists.nongnu.org/mailman/listinfo/gluster-devel
> > > 
> > > 
> > > 
> > > -- 
> > > It always takes longer than you expect, even when you take into
> > > account Hofstadter's Law. 
> > > 
> > > -- Hofstadter's Law
-- 
-Michael Fincham <michael at unleash.co.nz>
Unleash Technology Solutions