tree ac0a77f2d6b36d4140bbaf3b8c14a37e8ae1ef11
parent b6aa5901c7a2bd90d0b6b9866300d2648b2568f3
author Henry C Chang <henry_c_chang@tcloudcomputing.com> 1292608559 -0800
committer Sage Weil <sage@newdream.net> 1292608559 -0800

ceph: handle partial result from get_user_pages

The get_user_pages() helper can return fewer than the requested pages.
Error out in that case, and clean up the partial result.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>