fix: (blkio) enforce disk io buffer size alignment (to block size)

[lunaix-os.git] / lunaix-os / kernel / block / blkio.c

diff --git a/lunaix-os/kernel/block/blkio.c b/lunaix-os/kernel/block/blkio.c
index 44531c4091636ef09309db1e6dc59135b553d767..c5d688f633990b7de08ac982bdc93f80af570a58 100644 (file)
--- a/lunaix-os/kernel/block/blkio.c
+++ b/lunaix-os/kernel/block/blkio.c
@@ -24,6 +24,7 @@ __blkio_req_create(struct vecbuf* buffer,
                                 .flags = options,
                                 .evt_args = evt_args };
     breq->vbuf = buffer;
                                 .flags = options,
                                 .evt_args = evt_args };
     breq->vbuf = buffer;

+    waitq_init(&breq->wait);

     return breq;
 }
 
     return breq;
 }
 


@@ -76,7 +77,7 @@ blkio_commit(struct blkio_context* ctx, struct blkio_req* req)
     llist_append(&ctx->queue, &req->reqs);
 
     // if the pipeline is not running (e.g., stalling). Then we should schedule
     llist_append(&ctx->queue, &req->reqs);
 
     // if the pipeline is not running (e.g., stalling). Then we should schedule

-    // one immediately and kick it start.
+    // one immediately and kick it started.

     if (!ctx->busy) {
         blkio_schedule(ctx);
     }
     if (!ctx->busy) {
         blkio_schedule(ctx);
     }


@@ -102,14 +103,19 @@ void
 blkio_complete(struct blkio_req* req)
 {
     req->flags &= ~(BLKIO_BUSY | BLKIO_PENDING);
 blkio_complete(struct blkio_req* req)
 {
     req->flags &= ~(BLKIO_BUSY | BLKIO_PENDING);

+

     if (req->completed) {
         req->completed(req);
     }
     if (req->completed) {
         req->completed(req);
     }

+
+    // FIXME Not working in first process! Need a dummy process.
+    // Wake all blocked processes on completion,
+    //  albeit should be no more than one process in everycase (by design)
+    pwake_all(&req->wait);
+

     if ((req->flags & BLKIO_FOC)) {
         blkio_free_req(req);
     }
 
     req->io_ctx->busy--;
     if ((req->flags & BLKIO_FOC)) {
         blkio_free_req(req);
     }
 
     req->io_ctx->busy--;

-
-    blkio_schedule(req->io_ctx);

 }
\ No newline at end of file
 }
\ No newline at end of file