1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_NAMEI_H
3 #define _BCACHEFS_NAMEI_H
4
5 #include "dirent.h"
6
7 struct posix_acl;
8
9 #define BCH_CREATE_TMPFILE (1U << 0)
10 #define BCH_CREATE_SUBVOL (1U << 1)
11 #define BCH_CREATE_SNAPSHOT (1U << 2)
12 #define BCH_CREATE_SNAPSHOT_RO (1U << 3)
13
14 int bch2_create_trans(struct btree_trans *, subvol_inum,
15 struct bch_inode_unpacked *,
16 struct bch_inode_unpacked *,
17 const struct qstr *,
18 uid_t, gid_t, umode_t, dev_t,
19 struct posix_acl *,
20 struct posix_acl *,
21 subvol_inum, unsigned);
22
23 int bch2_link_trans(struct btree_trans *,
24 subvol_inum, struct bch_inode_unpacked *,
25 subvol_inum, struct bch_inode_unpacked *,
26 const struct qstr *);
27
28 int bch2_unlink_trans(struct btree_trans *, subvol_inum,
29 struct bch_inode_unpacked *,
30 struct bch_inode_unpacked *,
31 const struct qstr *, bool);
32
33 int bch2_rename_trans(struct btree_trans *,
34 subvol_inum, struct bch_inode_unpacked *,
35 subvol_inum, struct bch_inode_unpacked *,
36 struct bch_inode_unpacked *,
37 struct bch_inode_unpacked *,
38 const struct qstr *,
39 const struct qstr *,
40 enum bch_rename_mode);
41
42 bool bch2_reinherit_attrs(struct bch_inode_unpacked *,
43 struct bch_inode_unpacked *);
44
45 int bch2_inum_to_path(struct btree_trans *, subvol_inum, struct printbuf *);
46 int bch2_inum_snapshot_to_path(struct btree_trans *, u64, u32,
47 snapshot_id_list *, struct printbuf *);
48
49 int __bch2_check_dirent_target(struct btree_trans *,
50 struct btree_iter *,
51 struct bkey_s_c_dirent,
52 struct bch_inode_unpacked *, bool);
53
inode_points_to_dirent(struct bch_inode_unpacked * inode,struct bkey_s_c_dirent d)54 static inline bool inode_points_to_dirent(struct bch_inode_unpacked *inode,
55 struct bkey_s_c_dirent d)
56 {
57 return inode->bi_dir == d.k->p.inode &&
58 inode->bi_dir_offset == d.k->p.offset;
59 }
60
bch2_check_dirent_target(struct btree_trans * trans,struct btree_iter * dirent_iter,struct bkey_s_c_dirent d,struct bch_inode_unpacked * target,bool in_fsck)61 static inline int bch2_check_dirent_target(struct btree_trans *trans,
62 struct btree_iter *dirent_iter,
63 struct bkey_s_c_dirent d,
64 struct bch_inode_unpacked *target,
65 bool in_fsck)
66 {
67 if (likely(inode_points_to_dirent(target, d) &&
68 d.v->d_type == inode_d_type(target)))
69 return 0;
70
71 return __bch2_check_dirent_target(trans, dirent_iter, d, target, in_fsck);
72 }
73
74 int bch2_maybe_propagate_has_case_insensitive(struct btree_trans *, subvol_inum,
75 struct bch_inode_unpacked *);
76 int bch2_check_inode_has_case_insensitive(struct btree_trans *, struct bch_inode_unpacked *,
77 snapshot_id_list *, bool *);
78
79 #endif /* _BCACHEFS_NAMEI_H */
80