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NFS: Fake up 'wcc' attributes to prevent cache invalidation after write
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Sun, 30 Sep 2007 19:21:24 +0000 (15:21 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 9 Oct 2007 21:19:15 +0000 (17:19 -0400)
NFSv2 and v4 don't offer weak cache consistency attributes on WRITE calls.
In NFSv3, returning wcc data is optional. In all cases, we want to prevent
the client from invalidating our cached data whenever ->write_done()
attempts to update the inode attributes.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

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