From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Fri, 4 Sep 2015 19:17:53 +0000 (-0400)
Subject: Revert "NFS: Make close(2) asynchronous when closing NFS O_DIRECT files"
X-Git-Tag: omap-for-v4.3/fixes-rc1~78^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4eae50143bcbfda819c650b7ed6739f3b6338ffc;p=pandora-kernel.git

Revert "NFS: Make close(2) asynchronous when closing NFS O_DIRECT files"

This reverts commit f895c53f8ace3c3e49ebf9def90e63fc6d46d2bf.

This commit causes a NFSv4 regression in that close()+unlink() can end
up failing. The reason is that we no longer have a guarantee that the
CLOSE has completed on the server, meaning that the subsequent call to
REMOVE may fail with NFS4ERR_FILE_OPEN if the server implements Windows
unlink() semantics.

Reported-by: <Olga Kornievskaia <aglo@umich.edu>
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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