[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 2/3] scsi-disk: identify AIO callbacks more clea
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH 2/3] scsi-disk: identify AIO callbacks more clearly |
Date: |
Thu, 6 Aug 2015 20:35:53 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Thu, 08/06 12:01, Paolo Bonzini wrote:
> /* Actually issue a read to the block device. */
> -static void scsi_do_read(void *opaque, int ret)
> +static void scsi_do_read(SCSIDiskReq *r, int ret)
> {
> - SCSIDiskReq *r = opaque;
> SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
> uint32_t n;
>
> - if (r->req.aiocb != NULL) {
> - r->req.aiocb = NULL;
> - block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct);
> - }
> + assert (r->req.aiocb == NULL);
> +
> if (r->req.io_canceled) {
> scsi_req_cancel_complete(&r->req);
> goto done;
> @@ -349,6 +347,18 @@ done:
> scsi_req_unref(&r->req);
> }
>
> +static void scsi_do_read_cb(void *opaque, int ret)
> +{
> + SCSIDiskReq *r = (SCSIDiskReq *)opaque;
> + SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
> +
> + assert (r->req.aiocb != NULL);
Majority of asserts across the code base don't get whitespace in the middle,
but 4 out of 8 in this patch do :)