77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BCACHEFS_DIRENT_H
|
|
#define _BCACHEFS_DIRENT_H
|
|
|
|
#include "str_hash.h"
|
|
|
|
enum bkey_invalid_flags;
|
|
extern const struct bch_hash_desc bch2_dirent_hash_desc;
|
|
|
|
int bch2_dirent_invalid(struct bch_fs *, struct bkey_s_c,
|
|
enum bkey_invalid_flags, struct printbuf *);
|
|
void bch2_dirent_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
|
|
|
|
#define bch2_bkey_ops_dirent ((struct bkey_ops) { \
|
|
.key_invalid = bch2_dirent_invalid, \
|
|
.val_to_text = bch2_dirent_to_text, \
|
|
.min_val_size = 16, \
|
|
})
|
|
|
|
struct qstr;
|
|
struct file;
|
|
struct dir_context;
|
|
struct bch_fs;
|
|
struct bch_hash_info;
|
|
struct bch_inode_info;
|
|
|
|
struct qstr bch2_dirent_get_name(struct bkey_s_c_dirent d);
|
|
|
|
static inline unsigned dirent_val_u64s(unsigned len)
|
|
{
|
|
return DIV_ROUND_UP(offsetof(struct bch_dirent, d_name) + len,
|
|
sizeof(u64));
|
|
}
|
|
|
|
int bch2_dirent_read_target(struct btree_trans *, subvol_inum,
|
|
struct bkey_s_c_dirent, subvol_inum *);
|
|
|
|
int bch2_dirent_create_snapshot(struct btree_trans *, u64, u32,
|
|
const struct bch_hash_info *, u8,
|
|
const struct qstr *, u64, u64 *,
|
|
bch_str_hash_flags_t);
|
|
int bch2_dirent_create(struct btree_trans *, subvol_inum,
|
|
const struct bch_hash_info *, u8,
|
|
const struct qstr *, u64, u64 *,
|
|
bch_str_hash_flags_t);
|
|
|
|
static inline unsigned vfs_d_type(unsigned type)
|
|
{
|
|
return type == DT_SUBVOL ? DT_DIR : type;
|
|
}
|
|
|
|
enum bch_rename_mode {
|
|
BCH_RENAME,
|
|
BCH_RENAME_OVERWRITE,
|
|
BCH_RENAME_EXCHANGE,
|
|
};
|
|
|
|
int bch2_dirent_rename(struct btree_trans *,
|
|
subvol_inum, struct bch_hash_info *,
|
|
subvol_inum, struct bch_hash_info *,
|
|
const struct qstr *, subvol_inum *, u64 *,
|
|
const struct qstr *, subvol_inum *, u64 *,
|
|
enum bch_rename_mode);
|
|
|
|
int __bch2_dirent_lookup_trans(struct btree_trans *, struct btree_iter *,
|
|
subvol_inum, const struct bch_hash_info *,
|
|
const struct qstr *, subvol_inum *, unsigned);
|
|
u64 bch2_dirent_lookup(struct bch_fs *, subvol_inum,
|
|
const struct bch_hash_info *,
|
|
const struct qstr *, subvol_inum *);
|
|
|
|
int bch2_empty_dir_snapshot(struct btree_trans *, u64, u32);
|
|
int bch2_empty_dir_trans(struct btree_trans *, subvol_inum);
|
|
int bch2_readdir(struct bch_fs *, subvol_inum, struct dir_context *);
|
|
|
|
#endif /* _BCACHEFS_DIRENT_H */
|