From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:57638) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gkAho-0005DV-Qx for qemu-devel@nongnu.org; Thu, 17 Jan 2019 11:39:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gkAho-0001ss-4R for qemu-devel@nongnu.org; Thu, 17 Jan 2019 11:39:48 -0500 Date: Thu, 17 Jan 2019 17:39:39 +0100 From: Kevin Wolf Message-ID: <20190117163939.GB6761@localhost.localdomain> References: <20190117153321.29749-1-eblake@redhat.com> <20190117153321.29749-2-eblake@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190117153321.29749-2-eblake@redhat.com> Subject: Re: [Qemu-devel] [PATCH 1/3] block: Expose protocol-specific data to 'qemu-img info' List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake Cc: qemu-devel@nongnu.org, jsnow@redhat.com, vsementsov@virtuozzo.com, Markus Armbruster , Max Reitz , "open list:Block layer core" Am 17.01.2019 um 16:33 hat Eric Blake geschrieben: > 'qemu-img info' is useful for showing additional information > about an image - but sometimes the interesting information is > specific to the protocol rather than to the format layer. Set > the groundwork for showing this information; further patches > will then enable specific pieces of information. > > Signed-off-by: Eric Blake Isn't this making invalid assumptions about the structure of the block graph? Who says that I don't have a quorum node below the format layer with five different protocol layer children? Some of which may have filter nodes on top? Kevin