implement FDOP_MOUNT

1 files changed, 4 insertions, 0 deletions

diff --git a/src/kernel/fd.h b/src/kernel/fd.h
index b35c979..bcc9902 100644
--- a/src/kernel/fd.h
+++ b/src/kernel/fd.h
@@ -17,6 +17,7 @@ struct fd {
 
 
 enum fdop { // describes the operations which can be done on file descriptors
+	FDOP_MOUNT, // also closes the original fd
 	FDOP_READ,
 	FDOP_WRITE,
 	FDOP_CLOSE,
@@ -26,6 +27,9 @@ struct fdop_args {
 	enum fdop type;
 	struct fd *fd;
 	union {
+		struct { // FDOP_MOUNT
+			struct mount *target;
+		} mnt;
 		struct { // FDOP_READ, FDOP_WRITE
 			user_ptr ptr;
 			size_t len;