1 #ifndef _BCACHE_INODE_H
2 #define _BCACHE_INODE_H
4 #include <linux/math64.h>
6 extern const struct bkey_ops bch_bkey_inode_ops;
8 struct bch_inode_unpacked {
14 #define BCH_INODE_FIELD(_name, _bits) u##_bits _name;
16 #undef BCH_INODE_FIELD
19 struct bkey_inode_buf {
20 struct bkey_i_inode inode;
22 #define BCH_INODE_FIELD(_name, _bits) + 8 + _bits / 8
23 u8 _pad[0 + BCH_INODE_FIELDS()];
24 #undef BCH_INODE_FIELD
27 void bch_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
28 int bch_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *);
30 void bch_inode_init(struct cache_set *, struct bch_inode_unpacked *,
31 uid_t, gid_t, umode_t, dev_t);
32 int bch_inode_create(struct cache_set *, struct bkey_i *, u64, u64, u64 *);
33 int bch_inode_truncate(struct cache_set *, u64, u64,
34 struct extent_insert_hook *, u64 *);
35 int bch_inode_rm(struct cache_set *, u64);
37 int bch_inode_find_by_inum(struct cache_set *, u64,
38 struct bch_inode_unpacked *);
39 int bch_cached_dev_inode_find_by_uuid(struct cache_set *, uuid_le *,
40 struct bkey_i_inode_blockdev *);
42 static inline struct timespec bch_time_to_timespec(struct cache_set *c, u64 time)
44 return ns_to_timespec(time * c->sb.time_precision + c->sb.time_base_lo);
47 static inline u64 timespec_to_bch_time(struct cache_set *c, struct timespec ts)
49 s64 ns = timespec_to_ns(&ts) - c->sb.time_base_lo;
51 if (c->sb.time_precision == 1)
54 return div_s64(ns, c->sb.time_precision);