From: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Date: Mon, 19 Mar 2012 02:44:50 +0000 (-0400)
Subject: nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)
X-Git-Tag: v3.2.53~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ddeebd9bb1f005226b818f58cd6b2eaadf7976c;p=pandora-kernel.git

nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)

commit 06effdbb49af5f6c7d20affaec74603914acc768 upstream.

Use 32-bit or 64-bit llseek() hashes for directory offsets depending on
the NFS version. NFSv2 gets 32-bit hashes only.

NOTE: This patch got rather complex as Christoph asked to set the
filp->f_mode flag in the open call or immediatly after dentry_open()
in nfsd_open() to avoid races.
Personally I still do not see a reason for that and in my opinion
FMODE_32BITHASH/FMODE_64BITHASH flags could be set nfsd_readdir(), as it
follows directly after nfsd_open() without a chance of races.

Signed-off-by: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

Reading git-diff-tree failed