move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / c_src / libbcachefs / dirent.h

diff --git a/c_src/libbcachefs/dirent.h b/c_src/libbcachefs/dirent.h
new file mode 100644 (file)
index 0000000..21ffeb7
--- /dev/null
+++ b/c_src/libbcachefs/dirent.h
@@ -0,0 +1,76 @@
+/* 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_snapshot(struct btree_trans *, u64, u32,
+                       const struct bch_hash_info *, u8,
+                       const struct qstr *, u64, u64 *,
+                       bch_str_hash_flags_t);
+int bch2_dirent_create(struct btree_trans *, subvol_inum,
+                      const struct bch_hash_info *, u8,
+                      const struct qstr *, u64, u64 *,
+                      bch_str_hash_flags_t);
+
+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 */