From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:57 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- fs/bcachefs/bbpos.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 fs/bcachefs/bbpos.h (limited to 'fs/bcachefs/bbpos.h') diff --git a/fs/bcachefs/bbpos.h b/fs/bcachefs/bbpos.h new file mode 100644 index 0000000000..be2edced52 --- /dev/null +++ b/fs/bcachefs/bbpos.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_BBPOS_H +#define _BCACHEFS_BBPOS_H + +#include "bbpos_types.h" +#include "bkey_methods.h" +#include "btree_cache.h" + +static inline int bbpos_cmp(struct bbpos l, struct bbpos r) +{ + return cmp_int(l.btree, r.btree) ?: bpos_cmp(l.pos, r.pos); +} + +static inline struct bbpos bbpos_successor(struct bbpos pos) +{ + if (bpos_cmp(pos.pos, SPOS_MAX)) { + pos.pos = bpos_successor(pos.pos); + return pos; + } + + if (pos.btree != BTREE_ID_NR) { + pos.btree++; + pos.pos = POS_MIN; + return pos; + } + + BUG(); +} + +static inline void bch2_bbpos_to_text(struct printbuf *out, struct bbpos pos) +{ + prt_str(out, bch2_btree_id_str(pos.btree)); + prt_char(out, ':'); + bch2_bpos_to_text(out, pos.pos); +} + +#endif /* _BCACHEFS_BBPOS_H */ -- cgit v1.2.3