From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39877) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqAIx-0001z5-6z for qemu-devel@nongnu.org; Mon, 20 Mar 2017 23:17:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cqAIu-0000fQ-27 for qemu-devel@nongnu.org; Mon, 20 Mar 2017 23:17:51 -0400 From: Fam Zheng Date: Tue, 21 Mar 2017 11:16:24 +0800 Message-Id: <20170321031635.22123-6-famz@redhat.com> In-Reply-To: <20170321031635.22123-1-famz@redhat.com> References: <20170321031635.22123-1-famz@redhat.com> Subject: [Qemu-devel] [PATCH RFC 05/16] backup: Request BLK_PERM_AIO_CONTEXT_CHANGE on target List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Stefan Hajnoczi , Kevin Wolf , Max Reitz , qemu-block@nongnu.org What's done in the source's context change notifier is moving the target's context to follow the new one, so we request this permission here. Signed-off-by: Fam Zheng --- block/backup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/backup.c b/block/backup.c index a4fb288..546c5c5 100644 --- a/block/backup.c +++ b/block/backup.c @@ -636,7 +636,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, } /* The target must match the source in size, so no resize here either */ - job->target = blk_new(BLK_PERM_WRITE, + job->target = blk_new(BLK_PERM_WRITE | BLK_PERM_AIO_CONTEXT_CHANGE, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_WRITE_UNCHANGED | BLK_PERM_GRAPH_MOD); ret = blk_insert_bs(job->target, target, errp); -- 2.9.3