From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49263) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1rJN-0003ZS-N1 for qemu-devel@nongnu.org; Tue, 10 Oct 2017 05:58:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1rJN-0000iJ-2K for qemu-devel@nongnu.org; Tue, 10 Oct 2017 05:58:53 -0400 Date: Tue, 10 Oct 2017 11:58:36 +0200 From: Kevin Wolf Message-ID: <20171010095836.GG4177@dhcp-200-186.str.redhat.com> References: <20170913181910.29688-1-mreitz@redhat.com> <20170913181910.29688-14-mreitz@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170913181910.29688-14-mreitz@redhat.com> Subject: Re: [Qemu-devel] [PATCH 13/18] block/mirror: Keep write perm for pending writes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Max Reitz Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, Fam Zheng , Stefan Hajnoczi , John Snow Am 13.09.2017 um 20:19 hat Max Reitz geschrieben: > The owner of the mirror BDS might retire its write permission; but there > may still be pending mirror operations so the mirror BDS cannot > necessarily retire its write permission for its child then. > > Signed-off-by: Max Reitz I'm confused. The child of mirror_top_bs is the source, but don't mirror operations only write to the target? Kevin