mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-23 19:11:51 +00:00
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BCACHEFS_INODE_H
|
|
#define _BCACHEFS_INODE_H
|
|
|
|
#include "opts.h"
|
|
|
|
#include <linux/math64.h>
|
|
|
|
const char *bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c);
|
|
int bch2_inode_to_text(struct bch_fs *, char *, size_t, struct bkey_s_c);
|
|
|
|
#define bch2_bkey_inode_ops (struct bkey_ops) { \
|
|
.key_invalid = bch2_inode_invalid, \
|
|
.val_to_text = bch2_inode_to_text, \
|
|
}
|
|
|
|
struct bch_inode_unpacked {
|
|
u64 bi_inum;
|
|
__le64 bi_hash_seed;
|
|
u32 bi_flags;
|
|
u16 bi_mode;
|
|
|
|
#define BCH_INODE_FIELD(_name, _bits) u##_bits _name;
|
|
BCH_INODE_FIELDS()
|
|
#undef BCH_INODE_FIELD
|
|
};
|
|
|
|
struct bkey_inode_buf {
|
|
struct bkey_i_inode inode;
|
|
|
|
#define BCH_INODE_FIELD(_name, _bits) + 8 + _bits / 8
|
|
u8 _pad[0 + BCH_INODE_FIELDS()];
|
|
#undef BCH_INODE_FIELD
|
|
} __attribute__((packed, aligned(8)));
|
|
|
|
void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
|
|
int bch2_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *);
|
|
|
|
void bch2_inode_init(struct bch_fs *, struct bch_inode_unpacked *,
|
|
uid_t, gid_t, umode_t, dev_t,
|
|
struct bch_inode_unpacked *);
|
|
|
|
int __bch2_inode_create(struct btree_trans *,
|
|
struct bch_inode_unpacked *,
|
|
u64, u64, u64 *);
|
|
int bch2_inode_create(struct bch_fs *, struct bch_inode_unpacked *,
|
|
u64, u64, u64 *);
|
|
|
|
int bch2_inode_truncate(struct bch_fs *, u64, u64,
|
|
struct extent_insert_hook *, u64 *);
|
|
int bch2_inode_rm(struct bch_fs *, u64);
|
|
|
|
int bch2_inode_find_by_inum(struct bch_fs *, u64,
|
|
struct bch_inode_unpacked *);
|
|
|
|
static inline struct bch_io_opts bch2_inode_opts_get(struct bch_inode_unpacked *inode)
|
|
{
|
|
struct bch_io_opts ret = { 0 };
|
|
|
|
#define BCH_INODE_OPT(_name, _bits) \
|
|
if (inode->bi_##_name) \
|
|
opt_set(ret, _name, inode->bi_##_name - 1);
|
|
BCH_INODE_OPTS()
|
|
#undef BCH_INODE_OPT
|
|
return ret;
|
|
}
|
|
|
|
static inline void __bch2_inode_opt_set(struct bch_inode_unpacked *inode,
|
|
enum bch_opt_id id, u64 v)
|
|
{
|
|
switch (id) {
|
|
#define BCH_INODE_OPT(_name, ...) \
|
|
case Opt_##_name: \
|
|
inode->bi_##_name = v; \
|
|
break;
|
|
BCH_INODE_OPTS()
|
|
#undef BCH_INODE_OPT
|
|
default:
|
|
BUG();
|
|
}
|
|
}
|
|
|
|
static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode,
|
|
enum bch_opt_id id, u64 v)
|
|
{
|
|
return __bch2_inode_opt_set(inode, id, v + 1);
|
|
}
|
|
|
|
static inline void bch2_inode_opt_clear(struct bch_inode_unpacked *inode,
|
|
enum bch_opt_id id)
|
|
{
|
|
return __bch2_inode_opt_set(inode, id, 0);
|
|
}
|
|
|
|
#ifdef CONFIG_BCACHEFS_DEBUG
|
|
void bch2_inode_pack_test(void);
|
|
#else
|
|
static inline void bch2_inode_pack_test(void) {}
|
|
#endif
|
|
|
|
#endif /* _BCACHEFS_INODE_H */
|