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102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_INODE_H
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#define _BCACHEFS_INODE_H
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#include "opts.h"
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#include <linux/math64.h>
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const char *bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c);
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int bch2_inode_to_text(struct bch_fs *, char *, size_t, struct bkey_s_c);
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#define bch2_bkey_inode_ops (struct bkey_ops) { \
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.key_invalid = bch2_inode_invalid, \
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.val_to_text = bch2_inode_to_text, \
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}
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struct bch_inode_unpacked {
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u64 bi_inum;
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__le64 bi_hash_seed;
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u32 bi_flags;
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u16 bi_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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} __attribute__((packed, aligned(8)));
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void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
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int bch2_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *);
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void bch2_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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struct bch_inode_unpacked *);
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int __bch2_inode_create(struct btree_trans *,
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struct bch_inode_unpacked *,
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u64, u64, u64 *);
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int bch2_inode_create(struct bch_fs *, struct bch_inode_unpacked *,
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u64, u64, u64 *);
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int bch2_inode_truncate(struct bch_fs *, u64, u64,
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struct extent_insert_hook *, u64 *);
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int bch2_inode_rm(struct bch_fs *, u64);
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int bch2_inode_find_by_inum(struct bch_fs *, u64,
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struct bch_inode_unpacked *);
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static inline struct bch_io_opts bch2_inode_opts_get(struct bch_inode_unpacked *inode)
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{
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struct bch_io_opts ret = { 0 };
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#define BCH_INODE_OPT(_name, _bits) \
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if (inode->bi_##_name) \
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opt_set(ret, _name, inode->bi_##_name - 1);
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BCH_INODE_OPTS()
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#undef BCH_INODE_OPT
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return ret;
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}
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static inline void __bch2_inode_opt_set(struct bch_inode_unpacked *inode,
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enum bch_opt_id id, u64 v)
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{
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switch (id) {
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#define BCH_INODE_OPT(_name, ...) \
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case Opt_##_name: \
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inode->bi_##_name = v; \
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break;
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BCH_INODE_OPTS()
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#undef BCH_INODE_OPT
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default:
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BUG();
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}
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}
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static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode,
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enum bch_opt_id id, u64 v)
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{
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return __bch2_inode_opt_set(inode, id, v + 1);
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}
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static inline void bch2_inode_opt_clear(struct bch_inode_unpacked *inode,
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enum bch_opt_id id)
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{
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return __bch2_inode_opt_set(inode, id, 0);
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}
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#ifdef CONFIG_BCACHEFS_DEBUG
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void bch2_inode_pack_test(void);
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#else
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static inline void bch2_inode_pack_test(void) {}
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#endif
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#endif /* _BCACHEFS_INODE_H */
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