1 files changed, 70 insertions, 0 deletions
diff --git a/fs/bcachefs/dirent.h b/fs/bcachefs/dirent.h
new file mode 100644
index 000000000000..e9fa1df38232
--- /dev/null
+++ b/fs/bcachefs/dirent.h
@@ -0,0 +1,70 @@
+/* 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(const 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_trans(struct btree_trans *, subvol_inum);
+int bch2_readdir(struct bch_fs *, subvol_inum, struct dir_context *);
+
+#endif /* _BCACHEFS_DIRENT_H */