svn commit: r188832 - head/sys/nfsclient

[Scott Long]

John Baldwin wrote:
> Author: jhb
> Date: Thu Feb 19 22:18:00 2009
> New Revision: 188832
> URL: http://svn.freebsd.org/changeset/base/188832
> 
> Log:
>   When fetching attributes for a file for NFSv3 mounts, do not perform an
>   opportunistic ACCESS RPC to populate both the access and attribute caches
>   of the file and instead always use a GETATTR RPC.  On many modern NFS
>   servers, an ACCESS RPC is much more expensive to service than a GETATTR
>   RPC.
>   

Not too long ago, this was a very useful and important optimization. 
Can you say which servers this applies to?  Could it have been made an
option instead of outright deleted?

Scott