io_uring: move opcode table to opdef.c

We already have the declarations in opdef.h, move the rest into its own
file rather than in the main io_uring.c file.
Signed-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/Makefile

@@ -7,5 +7,5 @@ obj-$(CONFIG_IO_URING)		+= io_uring.o xattr.o nop.o fs.o splice.o \
 					openclose.o uring_cmd.o epoll.o \
 					statx.o net.o msg_ring.o timeout.o \
 					sqpoll.o fdinfo.o tctx.o poll.o \
-					cancel.o kbuf.o rsrc.o rw.o
+					cancel.o kbuf.o rsrc.o rw.o opdef.o
 obj-$(CONFIG_IO_WQ)		+= io-wq.o

io_uring/io_uring_types.h

@@ -3,6 +3,8 @@
 
 #include <linux/blkdev.h>
 #include <linux/task_work.h>
+#include <linux/bitmap.h>
+#include <uapi/linux/io_uring.h>
 
 #include "io-wq.h"
 #include "filetable.h"

io_uring/opdef.h

@@ -37,4 +37,6 @@ struct io_op_def {
 };
 
 extern const struct io_op_def io_op_defs[];
+
+void io_uring_optable_init(void);
 #endif