Applied to the ceph queue. Thanks!
sage
On Wed, 5 Sep 2012, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
>
> Using list_move_tail() instead of list_del() + list_add_tail().
>
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
> ---
> net/ceph/pagelist.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
> index 665cd23..92866be 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;
>
>
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