From: Sage Weil <sage@newdream.net>
Date: Tue, 5 Oct 2010 19:03:23 +0000 (-0700)
Subject: ceph: fix num_pages_free accounting in pagelist
X-Git-Tag: v2.6.37-rc1~221^2~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=240634e9b3a8ae2a9e2b7effeea3b9a5b30d68fb;p=linux.git

ceph: fix num_pages_free accounting in pagelist

Decrement the free page counter when removing a page from the free_list.

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

diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index b8cbc456d0bb..13cb409a7bba 100644
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -37,6 +37,7 @@ static int ceph_pagelist_addpage(struct ceph_pagelist *pl)
 	} else {
 		page = list_first_entry(&pl->free_list, struct page, lru);
 		list_del(&page->lru);
+		--pl->num_pages_free;
 	}
 	if (!page)
 		return -ENOMEM;