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xen_disk: Account for flush operations 

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>
Message-id: 7a2a14e3ac62027aa6267a6c02abc70717be9c0a.1446044837.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2015-10-28 17:32:58 +02:00 committed by Kevin Wolf
parent 6c6f312dd7
commit 693044ebd2
1 changed files with 3 additions and 1 deletions
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4
hw/block/xen_disk.c
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@ -576,7 +576,9 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
} }
block_acct_start(blk_get_stats(blkdev->blk), &ioreq->acct, 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++; ioreq->aio_inflight++;
blk_aio_writev(blkdev->blk, ioreq->start / BLOCK_SIZE, blk_aio_writev(blkdev->blk, ioreq->start / BLOCK_SIZE,
&ioreq->v, ioreq->v.size / BLOCK_SIZE, &ioreq->v, ioreq->v.size / BLOCK_SIZE,