From 3d4401d9d0aef5c40706350685ddea3df6708496 Mon Sep 17 00:00:00 2001 From: Yehuda Sadeh Date: Fri, 3 Sep 2010 12:57:11 -0700 Subject: [PATCH] ceph: fix pagelist kunmap tail A wrong parameter was passed to the kunmap. Signed-off-by: Yehuda Sadeh Signed-off-by: Sage Weil --- fs/ceph/pagelist.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c index b6859f47d36..46a368b6dce 100644 --- a/fs/ceph/pagelist.c +++ b/fs/ceph/pagelist.c @@ -5,10 +5,18 @@ #include "pagelist.h" +static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl) +{ + struct page *page = list_entry(pl->head.prev, struct page, + lru); + kunmap(page); +} + int ceph_pagelist_release(struct ceph_pagelist *pl) { if (pl->mapped_tail) - kunmap(pl->mapped_tail); + ceph_pagelist_unmap_tail(pl); + while (!list_empty(&pl->head)) { struct page *page = list_first_entry(&pl->head, struct page, lru); @@ -26,7 +34,7 @@ static int ceph_pagelist_addpage(struct ceph_pagelist *pl) pl->room += PAGE_SIZE; list_add_tail(&page->lru, &pl->head); if (pl->mapped_tail) - kunmap(pl->mapped_tail); + ceph_pagelist_unmap_tail(pl); pl->mapped_tail = kmap(page); return 0; } -- 2.20.1