From 643c68a4a990612720479078f3450d5b766da9f2 Mon Sep 17 00:00:00 2001
From: Alex Elder <elder@inktank.com>
Date: Mon, 11 Mar 2013 23:34:23 -0500
Subject: [PATCH] libceph: use cursor resid for loop condition

Use the "resid" field of a cursor rather than finding when the
message data position has moved up to meet the data length to
determine when all data has been sent or received in
write_partial_message_data() and read_partial_msg_data().

This is cleanup of old code related to:
    http://tracker.ceph.com/issues/4428

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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Reading git-format-patch failed