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authorAlberto Garcia <berto@igalia.com>2015-10-28 17:33:13 +0200
committerKevin Wolf <kwolf@redhat.com>2015-11-12 16:22:46 +0100
commit57ee366ce9cf8d9f7a52b7b654b9db78fe887349 (patch)
tree2c3a95ebbb4ae41b9e7944ea935b6b7aedde891e
parent01762e03222154fef6d98087ce391aed8a157be5 (diff)
xen_disk: Account for failed and invalid operations
Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: e0cbb96cb0e1f86c37c7ce332efdf02b57b9d365.1446044838.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--hw/block/xen_disk.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index 4869518fdd..02eda6efbc 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -537,7 +537,11 @@ static void qemu_aio_complete(void *opaque, int ret)
break;
}
case BLKIF_OP_READ:
- block_acct_done(blk_get_stats(ioreq->blkdev->blk), &ioreq->acct);
+ if (ioreq->status == BLKIF_RSP_OKAY) {
+ block_acct_done(blk_get_stats(ioreq->blkdev->blk), &ioreq->acct);
+ } else {
+ block_acct_failed(blk_get_stats(ioreq->blkdev->blk), &ioreq->acct);
+ }
break;
case BLKIF_OP_DISCARD:
default:
@@ -722,6 +726,23 @@ static void blk_handle_requests(struct XenBlkDev *blkdev)
/* parse them */
if (ioreq_parse(ioreq) != 0) {
+
+ switch (ioreq->req.operation) {
+ case BLKIF_OP_READ:
+ block_acct_invalid(blk_get_stats(blkdev->blk),
+ BLOCK_ACCT_READ);
+ break;
+ case BLKIF_OP_WRITE:
+ block_acct_invalid(blk_get_stats(blkdev->blk),
+ BLOCK_ACCT_WRITE);
+ break;
+ case BLKIF_OP_FLUSH_DISKCACHE:
+ block_acct_invalid(blk_get_stats(blkdev->blk),
+ BLOCK_ACCT_FLUSH);
+ default:
+ break;
+ };
+
if (blk_send_response_one(ioreq)) {
xen_be_send_notify(&blkdev->xendev);
}