linux/fs/bcachefs/inode.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_INODE_H
#define _BCACHEFS_INODE_H

#include "bkey.h"
#include "bkey_methods.h"
#include "opts.h"

enum bch_validate_flags;
extern const char * const bch2_inode_opts[];

int bch2_inode_invalid(struct bch_fs *, struct bkey_s_c,
		       enum bch_validate_flags, struct printbuf *);
int bch2_inode_v2_invalid(struct bch_fs *, struct bkey_s_c,
			  enum bch_validate_flags, struct printbuf *);
int bch2_inode_v3_invalid(struct bch_fs *, struct bkey_s_c,
			  enum bch_validate_flags, struct printbuf *);
void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);

int bch2_trigger_inode(struct btree_trans *, enum btree_id, unsigned,
		       struct bkey_s_c, struct bkey_s,
		       enum btree_iter_update_trigger_flags);

#define bch2_bkey_ops_inode …

#define bch2_bkey_ops_inode_v2 …

#define bch2_bkey_ops_inode_v3 …

static inline bool bkey_is_inode(const struct bkey *k)
{ … }

int bch2_inode_generation_invalid(struct bch_fs *, struct bkey_s_c,
				  enum bch_validate_flags, struct printbuf *);
void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);

#define bch2_bkey_ops_inode_generation …

#if 0
typedef struct {
	u64			lo;
	u32			hi;
} __packed __aligned(4) u96;
#endif
u96;

struct bch_inode_unpacked { … };

struct bkey_inode_buf { … };

void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
int bch2_inode_unpack(struct bkey_s_c, struct bch_inode_unpacked *);
struct bkey_i *bch2_inode_to_v3(struct btree_trans *, struct bkey_i *);

void bch2_inode_unpacked_to_text(struct printbuf *, struct bch_inode_unpacked *);

int bch2_inode_peek_nowarn(struct btree_trans *, struct btree_iter *,
		    struct bch_inode_unpacked *, subvol_inum, unsigned);
int bch2_inode_peek(struct btree_trans *, struct btree_iter *,
		    struct bch_inode_unpacked *, subvol_inum, unsigned);

int bch2_inode_write_flags(struct btree_trans *, struct btree_iter *,
		     struct bch_inode_unpacked *, enum btree_iter_update_trigger_flags);

static inline int bch2_inode_write(struct btree_trans *trans,
		     struct btree_iter *iter,
		     struct bch_inode_unpacked *inode)
{ … }

int __bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);
int bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);

void bch2_inode_init_early(struct bch_fs *,
			   struct bch_inode_unpacked *);
void bch2_inode_init_late(struct bch_inode_unpacked *, u64,
			  uid_t, gid_t, umode_t, dev_t,
			  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 btree_iter *,
		      struct bch_inode_unpacked *, u32, u64);

int bch2_inode_rm(struct bch_fs *, subvol_inum);

int bch2_inode_find_by_inum_nowarn_trans(struct btree_trans *,
				  subvol_inum,
				  struct bch_inode_unpacked *);
int bch2_inode_find_by_inum_trans(struct btree_trans *, subvol_inum,
				  struct bch_inode_unpacked *);
int bch2_inode_find_by_inum(struct bch_fs *, subvol_inum,
			    struct bch_inode_unpacked *);

#define inode_opt_get(_c, _inode, _name) …

static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode,
				      enum inode_opt_id id, u64 v)
{ … }

static inline u64 bch2_inode_opt_get(struct bch_inode_unpacked *inode,
				     enum inode_opt_id id)
{ … }

static inline u8 mode_to_type(umode_t mode)
{ … }

static inline u8 inode_d_type(struct bch_inode_unpacked *inode)
{ … }

static inline u32 bch2_inode_flags(struct bkey_s_c k)
{ … }

/* i_nlink: */

static inline unsigned nlink_bias(umode_t mode)
{ … }

static inline unsigned bch2_inode_nlink_get(struct bch_inode_unpacked *bi)
{ … }

static inline void bch2_inode_nlink_set(struct bch_inode_unpacked *bi,
					unsigned nlink)
{ … }

int bch2_inode_nlink_inc(struct bch_inode_unpacked *);
void bch2_inode_nlink_dec(struct btree_trans *, struct bch_inode_unpacked *);

static inline bool bch2_inode_should_have_bp(struct bch_inode_unpacked *inode)
{ … }

struct bch_opts bch2_inode_opts_to_opts(struct bch_inode_unpacked *);
void bch2_inode_opts_get(struct bch_io_opts *, struct bch_fs *,
			 struct bch_inode_unpacked *);
int bch2_inum_opts_get(struct btree_trans*, subvol_inum, struct bch_io_opts *);

int bch2_inode_rm_snapshot(struct btree_trans *, u64, u32);
int bch2_delete_dead_inodes(struct bch_fs *);

#endif /* _BCACHEFS_INODE_H */