move Rust sources to top level, C sources into c_src

This moves the Rust sources out of rust_src/ and into the top level.
Running the bcachefs executable out of the development tree is now:

$ ./target/release/bcachefs command
or
$ cargo run --profile release -- command

instead of "./bcachefs command".

Building and installing is still:

$ make && make install

Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 49 insertions, 0 deletions

diff --git a/c_src/libbcachefs/data_update.h b/c_src/libbcachefs/data_update.h
new file mode 100644
index 00000000..991095bb
--- /dev/null
+++ b/c_src/libbcachefs/data_update.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _BCACHEFS_DATA_UPDATE_H
+#define _BCACHEFS_DATA_UPDATE_H
+
+#include "bkey_buf.h"
+#include "io_write_types.h"
+
+struct moving_context;
+
+struct data_update_opts {
+	unsigned	rewrite_ptrs;
+	unsigned	kill_ptrs;
+	u16		target;
+	u8		extra_replicas;
+	unsigned	btree_insert_flags;
+	unsigned	write_flags;
+};
+
+struct data_update {
+	/* extent being updated: */
+	enum btree_id		btree_id;
+	struct bkey_buf		k;
+	struct data_update_opts	data_opts;
+	struct moving_context	*ctxt;
+	struct bch_move_stats	*stats;
+	struct bch_write_op	op;
+};
+
+int bch2_data_update_index_update(struct bch_write_op *);
+
+void bch2_data_update_read_done(struct data_update *,
+				struct bch_extent_crc_unpacked);
+
+int bch2_extent_drop_ptrs(struct btree_trans *,
+			  struct btree_iter *,
+			  struct bkey_s_c,
+			  struct data_update_opts);
+
+void bch2_data_update_exit(struct data_update *);
+int bch2_data_update_init(struct btree_trans *, struct btree_iter *,
+			  struct moving_context *,
+			  struct data_update *,
+			  struct write_point_specifier,
+			  struct bch_io_opts, struct data_update_opts,
+			  enum btree_id, struct bkey_s_c);
+void bch2_data_update_opts_normalize(struct bkey_s_c, struct data_update_opts *);
+
+#endif /* _BCACHEFS_DATA_UPDATE_H */