From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42306) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDPuw-000085-DE for qemu-devel@nongnu.org; Thu, 16 Jun 2016 01:32:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDPuv-0002im-HH for qemu-devel@nongnu.org; Thu, 16 Jun 2016 01:32:38 -0400 Date: Thu, 16 Jun 2016 13:32:23 +0800 From: Fam Zheng Message-ID: <20160616053223.GO12178@ad.usersys.redhat.com> References: <1465939839-30097-1-git-send-email-eblake@redhat.com> <1465939839-30097-14-git-send-email-eblake@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465939839-30097-14-git-send-email-eblake@redhat.com> Subject: Re: [Qemu-devel] [PATCH v2 13/17] block: Set default request_alignment during bdrv_refresh_limits() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, kwolf@redhat.com, Max Reitz , Stefan Hajnoczi On Tue, 06/14 15:30, Eric Blake wrote: > We want to eventually stick request_alignment alongside other > BlockLimits, but first, we must ensure it is populated at the > same time as all other limits, rather than being a special case > that is set only when a block is first opened. > > Now that all drivers have been updated to supply an override > of request_alignment during their .bdrv_refresh_limits(), as > needed, the block layer itself can defer setting the default > alignment until part of the overall bdrv_refresh_limits(). > > Signed-off-by: Eric Blake Reviewed-by: Fam Zheng