OpenAFS Master Repository branch, master, updated. BP--openafs-stable-1_6_x-376-gf2c6ae3

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit f2c6ae300a211460c24c87752cf9400b9e61ee1f
Author: Marc Dionne <marc.c.dionne@gmail.com>
Date:   Thu Nov 4 20:49:41 2010 -0400

    Cache bypass: Fix oops in bypass transition functions
    
    The FCSBypass flag might change between the time we check it before
    entering afs_TransitionToCaching or afs_TransitionToBypass and when
    we check it again within the functions.
    
    Instead of panicing, just exit if someone beat us to it.  Also move
    the checks within the write lock region to make sure the code
    doesn't get run multiple times.
    
    Change-Id: I4319896e522d0681c548299d2bd547e71998cc88
    Reviewed-on: http://gerrit.openafs.org/3266
    Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
    Tested-by: Marc Dionne <marc.c.dionne@gmail.com>
    Reviewed-by: Derrick Brashear <shadow@dementia.org>

 src/afs/afs_bypasscache.c |   20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)

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