From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 22 Jun 2011 22:53:18 +0000 (-0400)
Subject: fix mknod() on nfs4 (hopefully)
X-Git-Tag: v3.1-rc1~282^2~77
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7c85868fcacc331dd3454a4f08f006d7942521f;p=pandora-kernel.git

fix mknod() on nfs4 (hopefully)

a) check the right flags in ->create() (LOOKUP_OPEN, not LOOKUP_CREATE)
b) default (!LOOKUP_OPEN) open_flags is O_CREAT|O_EXCL|FMODE_READ, not 0
c) lookup_instantiate_filp() should be done only with LOOKUP_OPEN;
otherwise we need to issue CLOSE, lest we leak stateid on server.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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