Re: Massive NFS problems on large cluster with large number of mounts

Chuck Lever
2008-08-15T21:39:37Z

On Fri, Aug 15, 2008 at 5:04 PM, Trond Myklebust
<Trond.Myklebust@netapp.com> wrote:
> On Fri, 2008-08-15 at 16:47 -0400, Trond Myklebust wrote:
>> On Fri, 2008-08-15 at 16:34 -0400, Chuck Lever wrote:
>> > Trond, NFS_MOUNT_FLAGMASK is used in nfs_init_server() and
>> > nfs4_init_server() for both legacy binary and text-based mounts. This
>> > needs to be moved to a legacy-only path if we want to use the
>> > high-order 16 bits in the 'flags' field for text-based mounts.
>>
>> We definitely want to do this. The point of introducing text-based
>> mounts was to allow us to add functionality without having to worry
>> about legacy binary mount formats. The mask should be there in order to
>> ensure that binary formats don't start enabling features that they
>> cannot support. There is no justification for applying it to the text
>> mount path.
>
> I've attached the patch...

Thanks!

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