From: Sage Weil <sage@newdream.net>
Date: Wed, 23 Dec 2009 20:12:31 +0000 (-0800)
Subject: ceph: support ceph_pagelist for message payload
X-Git-Tag: v2.6.34-rc2~9^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58bb3b374b07a2a43315213f00a48a5ffd6d0915;p=pandora-kernel.git

ceph: support ceph_pagelist for message payload

The ceph_pagelist is a simple list of whole pages, strung together via
their lru list_head.  It facilitates encoding to a "buffer" of unknown
size.  Allow its use in place of the ceph_msg page vector.

This will be used to fix the huge buffer preallocation woes of MDS
reconnection.

Signed-off-by: Sage Weil <sage@newdream.net>
---

Reading git-diff-tree failed