From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40164) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fHJI7-0006KF-L5 for qemu-devel@nongnu.org; Fri, 11 May 2018 21:25:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fHJI6-0006SM-UE for qemu-devel@nongnu.org; Fri, 11 May 2018 21:25:43 -0400 From: John Snow Date: Fri, 11 May 2018 21:25:27 -0400 Message-Id: <20180512012537.22478-3-jsnow@redhat.com> In-Reply-To: <20180512012537.22478-1-jsnow@redhat.com> References: <20180512012537.22478-1-jsnow@redhat.com> Subject: [Qemu-devel] [RFC PATCH 02/12] qcow2/dirty-bitmap: cache loaded bitmaps List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: Max Reitz , Markus Armbruster , Kevin Wolf , Eric Blake , Vladimir Sementsov-Ogievskiy , John Snow For bitmaps that we succeeded in loading, we can cache a reference to that object. This will let us iterate over the more convenient form of in-memory bitmaps for qemu-img bitmap manipulation tools. Signed-off-by: John Snow --- block/qcow2-bitmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index fb0a4f3ec4..d89758f235 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -986,6 +986,7 @@ bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, Error **errp) if (bitmap == NULL) { goto fail; } + bm->dirty_bitmap = bitmap; if (!(bm->flags & BME_FLAG_AUTO)) { bdrv_disable_dirty_bitmap(bitmap); -- 2.14.3