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
47 int __bch2_check_dirent_target(struct btree_trans *,
48 struct btree_iter *,
49 struct bkey_s_c_dirent,
50 struct bch_inode_unpacked *, bool);
51
inode_points_to_dirent(struct bch_inode_unpacked * inode,struct bkey_s_c_dirent d)52 static inline bool inode_points_to_dirent(struct bch_inode_unpacked *inode,
53 struct bkey_s_c_dirent d)
54 {
55 return inode->bi_dir == d.k->p.inode &&
56 inode->bi_dir_offset == d.k->p.offset;
57 }
58
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)59 static inline int bch2_check_dirent_target(struct btree_trans *trans,
60 struct btree_iter *dirent_iter,
61 struct bkey_s_c_dirent d,
62 struct bch_inode_unpacked *target,
63 bool in_fsck)
64 {
65 if (likely(inode_points_to_dirent(target, d) &&
66 d.v->d_type == inode_d_type(target)))
67 return 0;
68
69 return __bch2_check_dirent_target(trans, dirent_iter, d, target, in_fsck);
70 }
71
72 #endif /* _BCACHEFS_NAMEI_H */
73