Re: [Qemu-devel] [PATCH v3 2/3] block/stream: use BDRV_REQ_PREFETCH

[Eric Blake]

On 7/25/19 5:05 AM, Vladimir Sementsov-Ogievskiy wrote:
> This helps to avoid extra io, allocations and memory copying.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
>  block/stream.c | 20 +++++++-------------
>  1 file changed, 7 insertions(+), 13 deletions(-)
> 
> diff --git a/block/stream.c b/block/stream.c
> index 6ac1e7bec4..170e3b43be 100644
> --- a/block/stream.c
> +++ b/block/stream.c
> @@ -22,11 +22,11 @@
>  
>  enum {
>      /*
> -     * Size of data buffer for populating the image file.  This should be 
> large
> +     * Maximum chunk size to feed it to copy-on-read.  This should be large

s/feed it/feed/

Will fix during staging

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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