diff options
Diffstat (limited to 'include/linux/crush')
| -rw-r--r-- | include/linux/crush/crush.h | 18 | ||||
| -rw-r--r-- | include/linux/crush/mapper.h | 7 |
2 files changed, 9 insertions, 16 deletions
diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h index 97e435b191f4..7c4750811b96 100644 --- a/include/linux/crush/crush.h +++ b/include/linux/crush/crush.h @@ -151,16 +151,6 @@ struct crush_map { struct crush_bucket **buckets; struct crush_rule **rules; - /* - * Parent pointers to identify the parent bucket a device or - * bucket in the hierarchy. If an item appears more than - * once, this is the _last_ time it appeared (where buckets - * are processed in bucket id order, from -1 on down to - * -max_buckets. - */ - __u32 *bucket_parents; - __u32 *device_parents; - __s32 max_buckets; __u32 max_rules; __s32 max_devices; @@ -168,8 +158,7 @@ struct crush_map { /* crush.c */ -extern int crush_get_bucket_item_weight(struct crush_bucket *b, int pos); -extern void crush_calc_parents(struct crush_map *map); +extern int crush_get_bucket_item_weight(const struct crush_bucket *b, int pos); extern void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b); extern void crush_destroy_bucket_list(struct crush_bucket_list *b); extern void crush_destroy_bucket_tree(struct crush_bucket_tree *b); @@ -177,4 +166,9 @@ extern void crush_destroy_bucket_straw(struct crush_bucket_straw *b); extern void crush_destroy_bucket(struct crush_bucket *b); extern void crush_destroy(struct crush_map *map); +static inline int crush_calc_tree_node(int i) +{ + return ((i+1) << 1)-1; +} + #endif diff --git a/include/linux/crush/mapper.h b/include/linux/crush/mapper.h index c46b99c18bb0..71d79f44a7d0 100644 --- a/include/linux/crush/mapper.h +++ b/include/linux/crush/mapper.h @@ -10,11 +10,10 @@ #include "crush.h" -extern int crush_find_rule(struct crush_map *map, int pool, int type, int size); -extern int crush_do_rule(struct crush_map *map, +extern int crush_find_rule(const struct crush_map *map, int ruleset, int type, int size); +extern int crush_do_rule(const struct crush_map *map, int ruleno, int x, int *result, int result_max, - int forcefeed, /* -1 for none */ - __u32 *weights); + const __u32 *weights); #endif |