hw/block/nvme: store aiocb in compare

nvme_compare() fails to store the aiocb from the blk_aio_preadv() call.
Fix this.

Fixes: 0a384f923f51 ("hw/block/nvme: add compare command")
Cc: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 8633615..65bb2cf 100644 (file)
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -2843,7 +2843,8 @@ static uint16_t nvme_compare(NvmeCtrl *n, NvmeRequest *req)
 
     block_acct_start(blk_get_stats(blk), &req->acct, data_len,
                      BLOCK_ACCT_READ);
-    blk_aio_preadv(blk, offset, &ctx->data.iov, 0, nvme_compare_data_cb, req);
+    req->aiocb = blk_aio_preadv(blk, offset, &ctx->data.iov, 0,
+                                nvme_compare_data_cb, req);
 
     return NVME_NO_COMPLETE;
 }