From 6fe8073de975ad7722043f9173fec068178e2eac Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 14 Jul 2024 19:19:35 +0200
Subject: kernel: rework postqueue

Keeping its old name for now to make things easier for myself.

This might just be replaced by sys/queue.h soon.
---
 src/kernel/arch/amd64/driver/util.c | 44 -------------------------------------
 1 file changed, 44 deletions(-)

(limited to 'src/kernel/arch/amd64/driver/util.c')

diff --git a/src/kernel/arch/amd64/driver/util.c b/src/kernel/arch/amd64/driver/util.c
index 2b33849..f02c4e2 100644
--- a/src/kernel/arch/amd64/driver/util.c
+++ b/src/kernel/arch/amd64/driver/util.c
@@ -13,50 +13,6 @@ int req_readcopy(VfsReq *req, const void *buf, size_t len) {
 	return req->output.len;
 }
 
-void postqueue_join(VfsReq **queue, VfsReq *req) {
-	if (req->postqueue_next)
-		panic_invalid_state();
-
-	while (*queue)
-		queue = &(*queue)->postqueue_next;
-	*queue = req;
-}
-
-bool postqueue_pop(VfsReq **queue, void (*accept)(VfsReq *)) {
-	VfsReq *req = *queue;
-	if (req == NULL) return false;
-	*queue = req->postqueue_next;
-	req->postqueue_next = NULL;
-	accept(req);
-	return true;
-}
-
-void postqueue_ringreadall(VfsReq **queue, ring_t *r) {
-	VfsReq *req;
-	char tmp[64];
-	size_t mlen = 0;
-	if (ring_used(r) == 0) return;
-
-	/* read as much as the biggest request wants */
-	for (req = *queue; req; req = req->postqueue_next)
-		mlen = max(mlen, req->output.len);
-	mlen = min(mlen, sizeof tmp);
-	mlen = ring_get(r, tmp, mlen);
-
-	while (*queue) {
-		req = *queue;
-		*queue = req->postqueue_next;
-		req->postqueue_next = NULL;
-
-		size_t ret = min(mlen, req->output.len);
-		assert(req->type == VFSOP_READ);
-		if (req->caller) {
-			pcpy_to(req->caller, req->output.buf, tmp, ret);
-		}
-		vfsreq_finish_short(req, ret);
-	}
-}
-
 size_t ring_to_virt(ring_t *r, Proc *proc, void __user *ubuf, size_t max) {
 	char tmp[32];
 	if (max > sizeof tmp) max = sizeof tmp;
-- 
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