From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45309) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aHKwR-0001tV-SD for qemu-devel@nongnu.org; Thu, 07 Jan 2016 19:30:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aHKwQ-00039Y-Ur for qemu-devel@nongnu.org; Thu, 07 Jan 2016 19:30:07 -0500 Date: Fri, 8 Jan 2016 08:29:55 +0800 From: Fam Zheng Message-ID: <20160108002955.GA808@ad.usersys.redhat.com> References: <1451903234-32529-1-git-send-email-famz@redhat.com> <568ED985.5050104@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <568ED985.5050104@redhat.com> Subject: Re: [Qemu-devel] [PATCH 00/13] Dirty bitmap changes for migration/persistence work List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: John Snow Cc: Kevin Wolf , Jeff Cody , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, qemu-block@nongnu.org On Thu, 01/07 16:32, John Snow wrote: > > > On 01/04/2016 05:27 AM, Fam Zheng wrote: > > Two major features are added to block dirty bitmap (and underlying HBitmap) in > > this series: meta bitmap and serialization, together with all other supportive > > patches. > > > > Both operations are common in dirty bitmap migration and persistence: they need > > to find whether and which part of the dirty bitmap in question has changed with > > meta dirty bitmap, and they need to write it to the target with serialization. > > > > Fam Zheng (11): > > backup: Use Bitmap to replace "s->bitmap" > > typedefs: Add BdrvDirtyBitmap and HBitmapIter > > block: Move block dirty bitmap code to separate files > > block: Remove unused typedef of BlockDriverDirtyHandler > > block: Hide HBitmap in block dirty bitmap interface > > HBitmap: Introduce "meta" bitmap to track bit changes > > tests: Add test code for meta bitmap > > block: Support meta dirty bitmap > > block: Add two dirty bitmap getters > > block: Assert that bdrv_release_dirty_bitmap succeeded > > tests: Add test code for hbitmap serialization > > > > Vladimir Sementsov-Ogievskiy (2): > > hbitmap: serialization > > block: BdrvDirtyBitmap serialization interface > > > > block.c | 339 ----------------------------- > > block/Makefile.objs | 2 +- > > block/backup.c | 25 ++- > > block/dirty-bitmap.c | 491 +++++++++++++++++++++++++++++++++++++++++++ > > block/mirror.c | 14 +- > > include/block/block.h | 39 +--- > > include/block/dirty-bitmap.h | 70 ++++++ > > include/qemu/hbitmap.h | 84 ++++++++ > > include/qemu/typedefs.h | 3 + > > tests/test-hbitmap.c | 252 ++++++++++++++++++++++ > > util/hbitmap.c | 197 +++++++++++++++-- > > 11 files changed, 1106 insertions(+), 410 deletions(-) > > create mode 100644 block/dirty-bitmap.c > > create mode 100644 include/block/dirty-bitmap.h > > > > That's all I've got for now. Happy New Year! > > What's your roadmap for these patches? This, then QBM? Yes, QBM is on the way, right after this. Fam