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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-05 14:34:32 +0800
committerAlex Elder <elder@inktank.com>2012-10-01 14:30:49 -0500
commitcc4829e5967de577794b25dfcd1a65e509d171ed (patch)
tree99e14d39ac747a678df303caee99c41ce48ebd9f /net/ceph/pagelist.c
parent523f32582f30768ab4e56b71b276fc1ea71f48cc (diff)
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ceph: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'net/ceph/pagelist.c')
-rw-r--r--net/ceph/pagelist.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index 665cd23020ff..92866bebb65f 100644
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -1,4 +1,3 @@
-
#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/pagemap.h>
@@ -134,8 +133,8 @@ int ceph_pagelist_truncate(struct ceph_pagelist *pl,
ceph_pagelist_unmap_tail(pl);
while (pl->head.prev != c->page_lru) {
page = list_entry(pl->head.prev, struct page, lru);
- list_del(&page->lru); /* remove from pagelist */
- list_add_tail(&page->lru, &pl->free_list); /* add to reserve */
+ /* move from pagelist to reserve */
+ list_move_tail(&page->lru, &pl->free_list);
++pl->num_pages_free;
}
pl->room = c->room;