Re: [linux-cifs-client] Re: cifs and kthread_run / kernel_thread

[Q (Igor Mammedov)]

Steve French (smfltc) wrote:
> > Hi all,
> >
> > I would like to use cifs inside linux-vserver guests. Discussion this 
> > with the vserver people, we found that cifs is using the new 
> > kthread_run and the old kernel_thread interface for starting 
> > kernel-threads. The old-style interface renders cifs unusable inside a 
> > vserver-guest :-(
> >
> > My questions:
> >
> > i) Are there newer versions of cifs, where only kthread_run is used in 
> > all places?
> >
> >  
> No - IIRC the original patch (for the switch of cifs from kernel_thread 
> to kthread) had a
> minor implementation problem in handling the cifs_demultiplex thread, so 
> this one small
> area was left with the old style.
>
> > iii) Is it difficult to switch to the new interface?
> >  
> No, I don't think so, but I have not investigated it.  We would be happy
> to review and test a patch for this though.
>
> > gs cifs # grep kthread_run *.[ch]
> > cifsfs.c:       oplockThread = kthread_run(cifs_oplock_thread, NULL, 
> > "cifsoplockd");
> > cifsfs.c:       dnotifyThread = kthread_run(cifs_dnotify_thread, NULL, 
> > "cifsdnotifyd");
> >
> > gs cifs # grep kernel_thread *.[ch]
> > cifs.mod.c:     { 0x7e9ebb05, "kernel_thread" },
> > connect.c:                      rc = (int)kernel_thread((void *)(void 
> > *)cifs_demultiplex_thread, srvTcp,
> >
> >
> > Thx,
> >
> > Wilhelm
> >
> > *****************************************

It seems to me that I rewrote cifs_demultiplex_thread to use kthread_run 
in DFS patch.

--

Best regards,

-------------------------
Igor Mammedov,
niallain "at" gmail.com




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