[libvirt] [PATCH v7 2/6] add fuse support for libvirt lxc

Richard W.M. Jones rjones at redhat.com
Tue Nov 6 09:11:02 UTC 2012


On Tue, Nov 06, 2012 at 04:54:59PM +0800, Gao feng wrote:
> Because libvirt_lxc create a thread to mount fuse filesystem.
> and then libvirt_lxc will try to access the fuse filesystem.
> 
> Without waiting,libvirt_lxc may access fuse before it is mounted.
> 
> And I can't find a better way to make accessing fuse after the fuse
> being mounted,because fuse_main will return until fuse being unmounted,so
> I don't know how to pass message to tell libvirt_lxc whether the fuse is
> mounted success.

Oh I see.  This is solvable, but I believe that you cannot use
fuse_main.  You have to look at the fuse sources (quite complex!)  and
do the individual fuse operations.

Have a look at how libguestfs does it ...

  https://github.com/libguestfs/libguestfs/blob/master/src/fuse.c#L911
  http://libguestfs.org/guestfs.3.html#mount-local

Rich.

-- 
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