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authorTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
committerTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
commit4e83998f5af010a928495988c586ea2926624db9 (patch)
treee72d346172a30bbee165d7f585784724906da416 /fs/ceph/pagelist.c
parentdd1d3a49db4ae5c6afffadaff526b96c7993c7dd (diff)
parentd4cfa4d12f46e2520f4c1d1a92e891ce068b7464 (diff)
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'fs/ceph/pagelist.c')
-rw-r--r--fs/ceph/pagelist.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c
index b6859f47d364..46a368b6dce5 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;
}