| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _BCACHEFS_BBPOS_H |
| 3 | #define _BCACHEFS_BBPOS_H |
| 4 | |
| 5 | #include "bbpos_types.h" |
| 6 | #include "bkey_methods.h" |
| 7 | #include "btree_cache.h" |
| 8 | |
| 9 | static inline int bbpos_cmp(struct bbpos l, struct bbpos r) |
| 10 | { |
| 11 | return cmp_int(l.btree, r.btree) ?: bpos_cmp(l: l.pos, r: r.pos); |
| 12 | } |
| 13 | |
| 14 | static inline struct bbpos bbpos_successor(struct bbpos pos) |
| 15 | { |
| 16 | if (bpos_cmp(l: pos.pos, SPOS_MAX)) { |
| 17 | pos.pos = bpos_successor(p: pos.pos); |
| 18 | return pos; |
| 19 | } |
| 20 | |
| 21 | if (pos.btree != BTREE_ID_NR) { |
| 22 | pos.btree++; |
| 23 | pos.pos = POS_MIN; |
| 24 | return pos; |
| 25 | } |
| 26 | |
| 27 | BUG(); |
| 28 | } |
| 29 | |
| 30 | static inline void bch2_bbpos_to_text(struct printbuf *out, struct bbpos pos) |
| 31 | { |
| 32 | prt_str(out, str: bch2_btree_id_str(pos.btree)); |
| 33 | prt_char(out, c: ':'); |
| 34 | bch2_bpos_to_text(out, pos.pos); |
| 35 | } |
| 36 | |
| 37 | #endif /* _BCACHEFS_BBPOS_H */ |
| 38 |