1 files changed, 0 insertions, 74 deletions
diff --git a/src/kernel/vfs/backend.c b/src/kernel/vfs/backend.c
deleted file mode 100644
index b9bc9af..0000000
--- a/src/kernel/vfs/backend.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include <kernel/mem/alloc.h>
-#include <kernel/panic.h>
-#include <kernel/proc.h>
-#include <kernel/vfs/backend.h>
-#include <kernel/vfs/root.h>
-
-// dispatches a VFS operation to the correct process
-_Noreturn void vfs_backend_dispatch(struct vfs_backend *backend, struct vfs_op op) {
-	struct vfs_op_request *req = kmalloc(sizeof *req); // freed in vfs_backend_finish
-	int ret;
-	*req = (struct vfs_op_request) {
-		.op = op,
-		.caller = process_current,
-		.backend = backend,
-	};
-
-	switch (backend->type) {
-		case VFS_BACK_ROOT:
-			ret = vfs_root_handler(req);
-			vfs_backend_finish(req, ret);
-		case VFS_BACK_USER:
-			process_current->state = PS_WAITS4FS;
-			if (backend->handler == NULL) { 
-				// backend isn't ready yet, join the queue
-				assert(backend->queue == NULL); // TODO implement a proper queue
-
-				backend->queue = process_current;
-				process_current->pending_req = req;
-				process_switch_any();
-			} else {
-				vfs_request_pass2handler(req);
-			}
-		default:
-			panic();
-	}
-}
-
-_Noreturn void vfs_request_pass2handler(struct vfs_op_request *req) {
-	assert(req->backend->handler);
-	assert(req->backend->handler->state == PS_WAITS4REQUEST);
-
-	req->backend->handler->state = PS_RUNNING;
-	// TODO pass the request to the process
-	process_switch(req->backend->handler);
-}
-
-// returns from a VFS operation to the calling process
-_Noreturn void vfs_backend_finish(struct vfs_op_request *req, int ret) {
-	struct process *caller = req->caller;
-
-	if (req->op.type == VFSOP_OPEN && ret >= 0) {
-		// open() calls need special handling
-		// we need to wrap the id returned by the VFS in a handle passed to
-		// the client
-		handle_t handle = process_find_handle(req->caller);
-		if (handle < 0) panic();
-		req->caller->handles[handle] = (struct handle){
-			.type = HANDLE_FILE,
-			.file = {
-				.backend = req->backend,
-				.id = ret,
-			},
-		};
-		ret = handle;
-	}
-
-	if (req->op.type == VFSOP_OPEN)
-		kfree(req->op.open.path);
-
-	req->caller->state = PS_RUNNING;
-	regs_savereturn(&req->caller->regs, ret);
-	kfree(req);
-	process_switch(caller);
-}