OpenAFS Master Repository branch, master, updated. BP-openafs-stable-1_8_x-506-gbebae93

[Gerrit Code Review]

The following commit has been merged in the master branch:
commit bebae936b4ef3bf47624c0ff0baae5521bad804e
Author: Cheyenne Wills <cwills@sinenomine.net>
Date:   Thu Jan 2 11:18:16 2020 -0700

    afs: Fix EIO error when reading a 4G or larger file
    
    When reading a file with a file length of >= 4G, the cache manager is
    failing the read with an EIO error.
    
    In afs_GetDCache, the call to IsDCacheSizeOK is passed a parameter that
    contains only the lower 32bits of the file length (which requires a 64
    bit value). This results in the EIO error if the length is over 2^32 -1.
    
    The AFSFetchStatus.Length member needs to be combined with the
    AFSFetchStatus.Length_hi to obtain the full 64bit file length.
    
    Fix the calls to IsDCacheSizeOK to use the full 64bit file length.
    
    Commit "afs: Check dcache size when checking DVs
    7c60a0fba11dd24494a5f383df8bea5fdbabbdd7" - gerrit 13436 - added the
    IsDCacheSizeOK function and the associated calls.
    
    As a note, the AFSFetchStatus.DataVersion is the lower 32 bits of the
    full 64bit version number, AFSFetchStatus.dataVersionHigh contains
    the high order 32bits.  The function IsDCacheSizeOK is passed just the
    32bit component, the only use of the parameter is in an error message.
    
    Change-Id: Idbe6233bd6ef792ed2b92d9337aba334e23f1452
    Reviewed-on: https://gerrit.openafs.org/14002
    Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
    Tested-by: BuildBot <buildbot@rampaginggeek.com>

 src/afs/afs_dcache.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

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