OpenAFS Master Repository branch, master, updated. openafs-devel-1_5_74_1-374-gc66ba55

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit c66ba55bd882de677e425a9b9f7f29215a05b647
Author: matt@linuxbox.com <matt@linuxbox.com>
Date:   Fri Jun 18 14:27:07 2010 -0400

    cache-bypass  explicitly reference pages involved in background i/o
    
    Formerly, we assumed that any page eligible for background i/o could
    be effectively pinned by lock_page.  Persuant to concern expressed by
    Simon that such pages might be eligible to be released by the kernel
    after readpages returns, call get_page to increment the refcount on
    each page before dispatching a background read (and matching put_page
    when the i/o is completed).
    
    Change-Id: Ib3a63e56e6b902b4eb5deb769847e7f17ce2c9ff
    Reviewed-on: http://gerrit.openafs.org/2215
    Reviewed-by: Derrick Brashear <shadow@dementia.org>
    Tested-by: Derrick Brashear <shadow@dementia.org>

 src/afs/LINUX/osi_vnodeops.c |    7 +++++++
 src/afs/afs_bypasscache.c    |   32 +++++++++++++++++---------------
 2 files changed, 24 insertions(+), 15 deletions(-)

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