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[v4,01/21] xen_disk: Account for flush operations

Message ID 7a2a14e3ac62027aa6267a6c02abc70717be9c0a.1446044837.git.berto@igalia.com
State New
Headers show

Commit Message

Alberto Garcia Oct. 28, 2015, 3:32 p.m. UTC 
Currently both BLKIF_OP_WRITE and BLKIF_OP_FLUSH_DISKCACHE are being
accounted as write operations.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 hw/block/xen_disk.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index 1bbc111..4869518 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -576,7 +576,9 @@  static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
         }
 
         block_acct_start(blk_get_stats(blkdev->blk), &ioreq->acct,
-                         ioreq->v.size, BLOCK_ACCT_WRITE);
+                         ioreq->v.size,
+                         ioreq->req.operation == BLKIF_OP_WRITE ?
+                         BLOCK_ACCT_WRITE : BLOCK_ACCT_FLUSH);
         ioreq->aio_inflight++;
         blk_aio_writev(blkdev->blk, ioreq->start / BLOCK_SIZE,
                        &ioreq->v, ioreq->v.size / BLOCK_SIZE,