OpenAFS Master Repository branch, master, updated. BP--openafs-stable-1_6_x-22-g570236d

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit 570236dd55e79e8886b45f19cef59ec3fa9d53f6
Author: Andrew Deason <adeason@sinenomine.net>
Date:   Tue Jun 22 14:36:42 2010 -0500

    ubik: Fix buffers for reading-during-writes
    
    If we are reading while a write transaction is in progress, we can
    encounter a buffer that is dirty if we're on the same site as the
    writer. Ignore these buffers for readers, since they contain
    uncommitted changes. Then, when the writer commits, invalidate the
    resultant duplicate buffer, if one exists.
    
    Change-Id: I67e0205362d4c08ea9a8c12104fea8bfe8cbf798
    Reviewed-on: http://gerrit.openafs.org/2231
    Reviewed-by: Derrick Brashear <shadow@dementia.org>
    Tested-by: Derrick Brashear <shadow@dementia.org>

 src/ubik/disk.c |   31 ++++++++++++++++++++++++++++++-
 1 files changed, 30 insertions(+), 1 deletions(-)

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