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https://github.com/koverstreet/bcachefs-tools.git
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58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#ifndef _BCACHE_INODE_H
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#define _BCACHE_INODE_H
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#include <linux/math64.h>
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extern const struct bkey_ops bch_bkey_inode_ops;
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struct bch_inode_unpacked {
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u64 inum;
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__le64 i_hash_seed;
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u32 i_flags;
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u16 i_mode;
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#define BCH_INODE_FIELD(_name, _bits) u##_bits _name;
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BCH_INODE_FIELDS()
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#undef BCH_INODE_FIELD
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};
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struct bkey_inode_buf {
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struct bkey_i_inode inode;
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#define BCH_INODE_FIELD(_name, _bits) + 8 + _bits / 8
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u8 _pad[0 + BCH_INODE_FIELDS()];
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#undef BCH_INODE_FIELD
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} __packed;
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void bch_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
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int bch_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *);
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void bch_inode_init(struct bch_fs *, struct bch_inode_unpacked *,
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uid_t, gid_t, umode_t, dev_t);
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int bch_inode_create(struct bch_fs *, struct bkey_i *, u64, u64, u64 *);
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int bch_inode_truncate(struct bch_fs *, u64, u64,
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struct extent_insert_hook *, u64 *);
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int bch_inode_rm(struct bch_fs *, u64);
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int bch_inode_find_by_inum(struct bch_fs *, u64,
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struct bch_inode_unpacked *);
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int bch_cached_dev_inode_find_by_uuid(struct bch_fs *, uuid_le *,
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struct bkey_i_inode_blockdev *);
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static inline struct timespec bch_time_to_timespec(struct bch_fs *c, u64 time)
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{
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return ns_to_timespec(time * c->sb.time_precision + c->sb.time_base_lo);
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}
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static inline u64 timespec_to_bch_time(struct bch_fs *c, struct timespec ts)
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{
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s64 ns = timespec_to_ns(&ts) - c->sb.time_base_lo;
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if (c->sb.time_precision == 1)
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return ns;
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return div_s64(ns, c->sb.time_precision);
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}
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#endif
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