| Sage Weil | 5cd068c | 2010-07-07 08:38:17 -0700 | [diff] [blame] | 1 | #ifndef CEPH_CRUSH_MAPPER_H |
| 2 | #define CEPH_CRUSH_MAPPER_H |
| Sage Weil | 5ecc0a0 | 2009-10-06 11:31:11 -0700 | [diff] [blame] | 3 | |
| 4 | /* |
| 5 | * CRUSH functions for find rules and then mapping an input to an |
| 6 | * output set. |
| 7 | * |
| 8 | * LGPL2 |
| 9 | */ |
| 10 | |
| David Howells | a1ce392 | 2012-10-02 18:01:25 +0100 | [diff] [blame] | 11 | #include <linux/crush/crush.h> |
| Sage Weil | 5ecc0a0 | 2009-10-06 11:31:11 -0700 | [diff] [blame] | 12 | |
| Sage Weil | 8b12d47 | 2012-05-07 15:38:35 -0700 | [diff] [blame] | 13 | extern int crush_find_rule(const struct crush_map *map, int ruleset, int type, int size); |
| 14 | extern int crush_do_rule(const struct crush_map *map, |
| Sage Weil | 5ecc0a0 | 2009-10-06 11:31:11 -0700 | [diff] [blame] | 15 | int ruleno, |
| 16 | int x, int *result, int result_max, |
| Sage Weil | 8b12d47 | 2012-05-07 15:38:35 -0700 | [diff] [blame] | 17 | const __u32 *weights); |
| Sage Weil | 5ecc0a0 | 2009-10-06 11:31:11 -0700 | [diff] [blame] | 18 | |
| 19 | #endif |