Re: [Qemu-block] [PATCH for-2.11 2/2] block: Don't request I/O permission with BDRV_O_NO_IO

[Alberto Garcia]

On Mon 20 Nov 2017 03:11:41 PM CET, Kevin Wolf wrote:
> 'qemu-img info' makes sense even when BLK_PERM_CONSISTENT_READ cannot be
> granted because of a block job in a running qemu process. It already
> sets BDRV_O_NO_IO to indicate that it doesn't access the guest visible
> data at all.
>
> Check the BDRV_O_NO_IO flags in blk_new_open(), so that I/O related
> permissions are not unnecessarily requested and 'qemu-img info' can work
> even if BLK_PERM_CONSISTENT_READ cannot be granted.
>
> Signed-off-by: Kevin Wolf <address@hidden>

Reviewed-by: Alberto Garcia <address@hidden>

Berto