提交 cc4829e5 编写于 作者: W Wei Yongjun 提交者: Alex Elder

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: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NSage Weil <sage@inktank.com>
上级 523f3258
#include <linux/module.h> #include <linux/module.h>
#include <linux/gfp.h> #include <linux/gfp.h>
#include <linux/pagemap.h> #include <linux/pagemap.h>
...@@ -134,8 +133,8 @@ int ceph_pagelist_truncate(struct ceph_pagelist *pl, ...@@ -134,8 +133,8 @@ int ceph_pagelist_truncate(struct ceph_pagelist *pl,
ceph_pagelist_unmap_tail(pl); ceph_pagelist_unmap_tail(pl);
while (pl->head.prev != c->page_lru) { while (pl->head.prev != c->page_lru) {
page = list_entry(pl->head.prev, struct page, lru); page = list_entry(pl->head.prev, struct page, lru);
list_del(&page->lru); /* remove from pagelist */ /* move from pagelist to reserve */
list_add_tail(&page->lru, &pl->free_list); /* add to reserve */ list_move_tail(&page->lru, &pl->free_list);
++pl->num_pages_free; ++pl->num_pages_free;
} }
pl->room = c->room; pl->room = c->room;
......
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