tree 1161ed9dbacb7ace73c5d48fc9acd1db0d7815d5
parent 92cf765237e2787eb168096305c448caf25ac7f8
author Henry C Chang <henry_c_chang@tcloudcomputing.com> 1292474741 -0800
committer Sage Weil <sage@newdream.net> 1292608480 -0800

ceph: mark user pages dirty on direct-io reads

For read operation, we have to set the argument _write_ of get_user_pages
to 1 since we will write data to pages. Also, we need to SetPageDirty before
releasing these pages.

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