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[Qemu-devel] [PATCH 13/18] virtio-blk: Return UNSUPP for unknown request
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 13/18] virtio-blk: Return UNSUPP for unknown request types |
Date: |
Wed, 19 Dec 2012 16:38:14 +0100 |
From: Alexey Zaytsev <address@hidden>
Currently, all unknown requests are treated as VIRTIO_BLK_T_IN
Signed-off-by: Alexey Zaytsev <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
hw/virtio-blk.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 538a0ae..132180c 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -398,10 +398,14 @@ static void virtio_blk_handle_request(VirtIOBlockReq *req,
qemu_iovec_init_external(&req->qiov, &req->elem.out_sg[1],
req->elem.out_num - 1);
virtio_blk_handle_write(req, mrb);
- } else {
+ } else if (type == VIRTIO_BLK_T_IN || type == VIRTIO_BLK_T_BARRIER) {
+ /* VIRTIO_BLK_T_IN is 0, so we can't just & it. */
qemu_iovec_init_external(&req->qiov, &req->elem.in_sg[0],
req->elem.in_num - 1);
virtio_blk_handle_read(req);
+ } else {
+ virtio_blk_req_complete(req, VIRTIO_BLK_S_UNSUPP);
+ g_free(req);
}
}
--
1.8.0.2
- [Qemu-devel] [PATCH 01/18] raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane, (continued)
- [Qemu-devel] [PATCH 01/18] raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 02/18] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 03/18] dataplane: add host memory mapping code, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 04/18] dataplane: add virtqueue vring code, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 06/18] dataplane: add Linux AIO request queue, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 05/18] dataplane: add event loop, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 10/18] virtio-blk: restore VirtIOBlkConf->config_wce flag, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 09/18] iov: add qemu_iovec_concat_iov(), Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 12/18] virtio-blk: add x-data-plane=on|off performance feature, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 11/18] dataplane: add virtio-blk data plane code, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 13/18] virtio-blk: Return UNSUPP for unknown request types,
Stefan Hajnoczi <=
- [Qemu-devel] [PATCH 14/18] cutils: change strtosz_suffix_unit function, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 16/18] block/raw-win32: Fix compiler warnings (wrong format specifiers), Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 15/18] qemu-img: report size overflow error message, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 08/18] test-iov: add iov_discard_front/back() testcases, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 07/18] iov: add iov_discard_front/back() to remove data, Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 18/18] sheepdog: pass oid directly to send_pending_req(), Stefan Hajnoczi, 2012/12/19
- [Qemu-devel] [PATCH 17/18] sheepdog: don't update inode when create_and_write fails, Stefan Hajnoczi, 2012/12/19