From 1190bf06a6b033384a65b5acdb1193d41cd257a6 Mon Sep 17 00:00:00 2001
From: Alex Elder <elder@inktank.com>
Date: Sat, 30 Mar 2013 13:31:02 -0500
Subject: [PATCH] libceph: fix broken data length assertions

It's OK for the result of a read to come back with fewer bytes than
were requested.  So don't trigger a BUG() in that case when
initializing the data cursor.

This resolves the first problem described in:
    http://tracker.ceph.com/issues/4598

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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Reading git-format-patch failed