[Bugs] [Bug 1284365] New: Sharding - Extending writes filling incorrect final size in postbuf

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1284365

            Bug ID: 1284365
           Summary: Sharding - Extending writes filling incorrect final
                    size in postbuf
           Product: GlusterFS
           Version: mainline
         Component: sharding
          Keywords: Triaged
          Assignee: kdhananj at redhat.com
          Reporter: kdhananj at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
After an extending write is complete, at the level of shard translator, the
postbuf is updated not once but twice with the same delta size and block count:
once in shard_update_file_size_cbk(), and
once in shard_post_update_size_writev_handler()

This can lead to unexpected behavior is md-cache is part of the client stack
and caches these values returned by shard translator in postbuf.

Version-Release number of selected component (if applicable):


How reproducible:


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Additional info:

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