From 80b2c1c2ab36b4ddb030e135bcacf1f30db362d2 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 9 Sep 2021 21:14:26 +0200
Subject: basic _syscall_fs_wait() impl, doesn't pass the req yet

---
 src/kernel/vfs/backend.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/kernel/vfs/backend.c')

diff --git a/src/kernel/vfs/backend.c b/src/kernel/vfs/backend.c
index 7e53e51..4b22104 100644
--- a/src/kernel/vfs/backend.c
+++ b/src/kernel/vfs/backend.c
@@ -27,14 +27,22 @@ _Noreturn void vfs_backend_dispatch(struct vfs_backend *backend, struct vfs_op o
 				process_current->pending_req = req;
 				process_switch_any();
 			} else {
-				assert(backend->handler->state == PS_WAITS4REQUEST);
-				panic(); // TODO
+				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;
-- 
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