From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45417) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAHla-0005V6-7O for qemu-devel@nongnu.org; Tue, 07 Jun 2016 10:14:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAHlZ-0004Js-8t for qemu-devel@nongnu.org; Tue, 07 Jun 2016 10:14:02 -0400 Date: Tue, 7 Jun 2016 16:13:52 +0200 From: Kevin Wolf Message-ID: <20160607141352.GM4684@noname.str.redhat.com> References: <1465217162-21115-1-git-send-email-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465217162-21115-1-git-send-email-kwolf@redhat.com> Subject: Re: [Qemu-devel] [PATCH v2 0/5] block: Introduce qemu-img bench List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: mreitz@redhat.com, eblake@redhat.com, den@openvz.org, qemu-devel@nongnu.org Am 06.06.2016 um 14:45 hat Kevin Wolf geschrieben: > After merging Den's qcow2 patch to avoid duplicated flushes, I thought I would > be nice to reproduce the problem and I remembered 'qemu-img bench', which I had > posted before as part of more than one RFC series, but which never made it to > master somehow. So here is a rebased and cleaned up version of it, just by > itself, so that it hopefully can be merged finally. > > Of course, I failed to actually reproduce the problem on my laptop. Who knows, > something on my system might be more intelligent about useless flushes, or > maybe I just misunderstood what the problematic scenario looks like at the > block level. Doesn't make the tool less useful, though, and I already did the > rebasing. Thanks for the review, applied to the block branch. Kevin