OpenAFS Master Repository branch, master, updated. openafs-devel-1_5_76-3791-g3767cf8

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit 3767cf8bf420bd59c3426a4287259b1e97178e96
Author: Marc Dionne <marc.dionne@your-file-system.com>
Date:   Wed May 22 09:26:57 2013 -0400

    Linux: Fix tmpfs cache support
    
    As of kernel 3.1, tmpfs no longer has a readpage() operation in its
    address space operations.  Some of the cache manager code relies on
    this, causing an oops if tmpfs is used as backing store for the
    cache.
    
    As a minimal fix, detect that there is no readpage() and disable
    the optimizations that depend on it.
    
    Change-Id: I6e2236cd53f893d77a8d6568eae7e200ad8d1ac0
    Reviewed-on: http://gerrit.openafs.org/9949
    Tested-by: BuildBot <buildbot@rampaginggeek.com>
    Reviewed-by: Derrick Brashear <shadow@your-file-system.com>

 src/afs/LINUX/osi_vnodeops.c |   38 +++++++++++++++++++++++++++++++-------
 1 files changed, 31 insertions(+), 7 deletions(-)

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