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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>
This commit is contained in:
Alberto Garcia 2015-10-28 17:33:13 +02:00 committed by Kevin Wolf
parent 01762e0322
commit 57ee366ce9
1 changed files with 22 additions and 1 deletions
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23
hw/block/xen_disk.c
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@ -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);
}