From 85c675d0d09a45a135bddd15d7b385f8758c32fb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:35:05 +0200 Subject: Adding upstream version 6.7.7. Signed-off-by: Daniel Baumann --- fs/bcachefs/dirent.h | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 fs/bcachefs/dirent.h (limited to 'fs/bcachefs/dirent.h') diff --git a/fs/bcachefs/dirent.h b/fs/bcachefs/dirent.h new file mode 100644 index 000000000..1e3431990 --- /dev/null +++ b/fs/bcachefs/dirent.h @@ -0,0 +1,71 @@ +/* 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(struct btree_trans *, subvol_inum, + const struct bch_hash_info *, u8, + const struct qstr *, u64, u64 *, int); + +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 */ -- cgit v1.2.3