diff options
Diffstat (limited to 'include/linux/ceph/pagelist.h')
| -rw-r--r-- | include/linux/ceph/pagelist.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/ceph/pagelist.h b/include/linux/ceph/pagelist.h index 9660d6b0a35d..13d71fe18b0c 100644 --- a/include/linux/ceph/pagelist.h +++ b/include/linux/ceph/pagelist.h @@ -1,7 +1,10 @@ #ifndef __FS_CEPH_PAGELIST_H #define __FS_CEPH_PAGELIST_H +#include <asm/byteorder.h> +#include <linux/atomic.h> #include <linux/list.h> +#include <linux/types.h> struct ceph_pagelist { struct list_head head; @@ -10,6 +13,7 @@ struct ceph_pagelist { size_t room; struct list_head free_list; size_t num_pages_free; + atomic_t refcnt; }; struct ceph_pagelist_cursor { @@ -26,9 +30,10 @@ static inline void ceph_pagelist_init(struct ceph_pagelist *pl) pl->room = 0; INIT_LIST_HEAD(&pl->free_list); pl->num_pages_free = 0; + atomic_set(&pl->refcnt, 1); } -extern int ceph_pagelist_release(struct ceph_pagelist *pl); +extern void ceph_pagelist_release(struct ceph_pagelist *pl); extern int ceph_pagelist_append(struct ceph_pagelist *pl, const void *d, size_t l); |