diff options
Diffstat (limited to 'fs/btrfs/ulist.h')
| -rw-r--r-- | fs/btrfs/ulist.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ulist.h b/fs/btrfs/ulist.h index 02fda0a2d4ce..c62a372f1462 100644 --- a/fs/btrfs/ulist.h +++ b/fs/btrfs/ulist.h @@ -7,6 +7,7 @@ #ifndef BTRFS_ULIST_H #define BTRFS_ULIST_H +#include <linux/types.h> #include <linux/list.h> #include <linux/rbtree.h> @@ -40,12 +41,14 @@ struct ulist { struct list_head nodes; struct rb_root root; + struct ulist_node *prealloc; }; void ulist_init(struct ulist *ulist); void ulist_release(struct ulist *ulist); void ulist_reinit(struct ulist *ulist); struct ulist *ulist_alloc(gfp_t gfp_mask); +void ulist_prealloc(struct ulist *ulist, gfp_t mask); void ulist_free(struct ulist *ulist); int ulist_add(struct ulist *ulist, u64 val, u64 aux, gfp_t gfp_mask); int ulist_add_merge(struct ulist *ulist, u64 val, u64 aux, @@ -66,7 +69,7 @@ static inline int ulist_add_merge_ptr(struct ulist *ulist, u64 val, void *aux, #endif } -struct ulist_node *ulist_next(struct ulist *ulist, +struct ulist_node *ulist_next(const struct ulist *ulist, struct ulist_iterator *uiter); #define ULIST_ITER_INIT(uiter) ((uiter)->cur_list = NULL) |