diff options
Diffstat (limited to 'include/linux/crush/mapper.h')
| -rw-r--r-- | include/linux/crush/mapper.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/crush/mapper.h b/include/linux/crush/mapper.h new file mode 100644 index 000000000..eab367446 --- /dev/null +++ b/include/linux/crush/mapper.h @@ -0,0 +1,20 @@ +#ifndef CEPH_CRUSH_MAPPER_H +#define CEPH_CRUSH_MAPPER_H + +/* + * CRUSH functions for find rules and then mapping an input to an + * output set. + * + * LGPL2 + */ + +#include <linux/crush/crush.h> + +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, + const __u32 *weights, int weight_max, + int *scratch); + +#endif |