The NFS "nosharecache" patch in F7 is broken

[Steve Dickson]

Chuck Ebbert wrote:
> On 08/22/2007 11:18 AM, Steve Dickson wrote:
>>
>> Dave Jones wrote:
>>> On Tue, Aug 21, 2007 at 10:29:53AM -0400, Chuck Ebbert wrote:
>>>  > If people try mounting several exports from the same filesystem, it
>>> fails
>>>  > with confusing error messages if the mount options are different
>>> for some
>>>  > of the mount points. Adding "nosharecache" to the mount options
>>> fixes that,
>>>  > but people with working setups suddenly find they need this new
>>> option to
>>>  > use a setup that used to work without it. Should we just revert
>>> that patch?
>> Just curious... What are the differences in the mounts options that
>> is causing this new check to pop, which in turn is failing the mount?
> 
> In at least one case it is read-only vs. read-write. 
This should not make the check pop...

> User mounts something from the server read-only, then mounts selected 
> exports from the same filesystem read-write on top of that.
The check looks for difference protocols, I/O sizes, or cache timeouts
so there has to be something other ro/rw that is causing the
mounts to fail...

steved.