Re: syscall rmdir hangs with autofs

[Avi Kivity <avi@redhat.com>]

On 07/19/2010 03:48 PM, Sebastian Hetze wrote:
>
>> Looks like a false alarm then.  The rmdir is waiting for the mount to
>> flush everything to disk, which is slow and takes a while.
>>
>> Does it return eventually?
>>      
> No, it does not return within hours (>10). And the problem occurs only
> once in a while although the system is busy every day (and night)
> and automount is mounting/expiring frequently.
>
> I would expect the "/bin/umount dir" process (which is forked by
> automount if I read the code correctly) to return only after the flush
> is complete. So I expect the rmdir being called afterwards on an plain
> empty directory.
>
> BTW: the mount is just a bind mount, so no flush should be necessary
> anyway.
>    

It looks like VFS breakage.  Does this happen with older guest kernels?

-- 
error compiling committee.c: too many arguments to function