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, 12 insertions, 0 deletions

diff --git a/c_src/include/linux/freezer.h b/c_src/include/linux/freezer.h
new file mode 100644
index 00000000..d90373f3
--- /dev/null
+++ b/c_src/include/linux/freezer.h
@@ -0,0 +1,12 @@
+#ifndef __TOOLS_LINUX_FREEZER_H
+#define __TOOLS_LINUX_FREEZER_H
+
+#define try_to_freeze()
+#define set_freezable()
+#define freezing(task)		false
+#define freezable_schedule()	schedule()
+#define freezable_schedule_timeout(_t) schedule_timeout(_t)
+
+static inline void __refrigerator(bool f) {}
+
+#endif /* __TOOLS_LINUX_FREEZER_H */