kernel: fs_wait returns a success val; the op type is put in the struct

1 files changed, 3 insertions, 0 deletions

diff --git a/src/shared/syscalls.h b/src/shared/syscalls.h
index 8ec1a41..b78246c 100644
--- a/src/shared/syscalls.h
+++ b/src/shared/syscalls.h
@@ -50,11 +50,14 @@ int _syscall_close(handle_t);
 handle_t _syscall_fs_fork2(void);
 
 struct fs_wait_response {
+	enum vfs_operation op;
 	int len; // how much was put in *buf
 	int capacity; // how much output can be accepted by the caller
 	int id;  // file id (returned by the open handler, passed to other calls)
 	int offset;
 };
+/** Blocks until an fs request is made.
+ * @return 0 if everything was successful */
 int _syscall_fs_wait(char __user *buf, int max_len, struct fs_wait_response __user *res);
 int _syscall_fs_respond(char __user *buf, int ret);