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[Qemu-devel] Re: [PATCH 4/4] qcow2: Use block-queue
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] Re: [PATCH 4/4] qcow2: Use block-queue |
Date: |
Thu, 16 Dec 2010 17:58:38 +0000 |
On Mon, Dec 13, 2010 at 4:29 PM, Kevin Wolf <address@hidden> wrote:
> diff --git a/block/qcow2.c b/block/qcow2.c
> index 537c479..e445913 100644
> --- a/block/qcow2.c
> +++ b/block/qcow2.c
> @@ -136,6 +136,20 @@ static int qcow_read_extensions(BlockDriverState *bs,
> uint64_t start_offset,
> return 0;
> }
>
> +static bool qcow_blkqueue_error_cb(void *opaque, int ret)
> +{
> + BlockDriverState *bs = opaque;
> + BlockErrorAction action = bdrv_get_on_error(bs, 0);
> +
> + if ((action == BLOCK_ERR_STOP_ENOSPC && ret == -ENOSPC)
> + || action == BLOCK_ERR_STOP_ANY)
> + {
> + bdrv_mon_event(bs, BDRV_ACTION_STOP, 0);
> + return vm_stop(0);
> + }
> +
> + return false;
> +}
Not sure this is qcow2-specific. Is it possible to put this in a
generic sysemu-specific place and qemu-tool.c? That would allow the
vm_stop() change to be dropped.
Stefan