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 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 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