git: NFS - Properly handle NFSv3 EOF short-reads

commit 28953d39b23eec3fbd96a46ca2c4946bfe8d1a61
Author: Matthew Dillon <[e-mail]>
Date:   Mon Aug 24 15:41:42 2009 -0700

    NFS - Properly handle NFSv3 EOF short-reads
    
    * Short reads were not causing the remainder of the buffer to be
      zero'd out in all cases, causing the fsx filesystem test to fail.
    
    * An EOF condition was sometimes improperly reporting a non-zero
      bp->b_resid.  Race against the server where the client's idea of
      the file size differs from the server could result in a non-zero
      bp->b_resid after a BIO.
    
      Zero out the remaining space and and set bp->b_resid to 0.  The
      NFS client code always specifies buffers within the bounds of
      the file.
    
    Reported-by: Antonio Huete Jimenez <[e-mail]>

Summary of changes:
 sys/vfs/nfs/nfs_bio.c   |  136 ++++++++++++++++++++++------------------------
 sys/vfs/nfs/nfs_vnops.c |   31 ++++++++---
 2 files changed, 89 insertions(+), 78 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/28953d39b23eec3fbd96a46ca2c4946bfe8d1a61


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