Re: [Qemu-devel] [Qemu-block] [PATCH v2 0/3] blockjob: correct backup cluster size for backups

[Fam Zheng <famz@redhat.com>]

On Wed, 03/02 10:48, Stefan Hajnoczi wrote:
> On Mon, Feb 22, 2016 at 05:07:04PM -0500, John Snow wrote:
> > Backups sometimes need a non-64KiB transfer cluster size.
> > See patch #2 for the detailed justificaton.
> > 
> > ===
> > v2
> > ===
> > 
> > 01: Removed "sectors_per_cluster" as a cached property of the Backup Block Job,
> >     In favor of recomputing it with a small function where needed.
> >     (I like v1 more. Thoughts?)
> > 02: Expand correction to all backup modes instead of just incremental.
> >     Added credit: Thanks to Fam Z for noticing this problem!
> > 03: Minor phrasing change in a comment.
> >     Added r-b.
> > 
> > ________________________________________________________________________________
> > 
> > For convenience, this branch is available at:
> > https://github.com/jnsnow/qemu.git branch incremental-granularity-fix
> > https://github.com/jnsnow/qemu/tree/incremental-granularity-fix
> > 
> > This version is tagged incremental-granularity-fix-v2:
> > https://github.com/jnsnow/qemu/releases/tag/incremental-granularity-fix-v2
> > 
> > John Snow (3):
> >   block/backup: make backup cluster size configurable
> >   block/backup: avoid copying less than full target clusters
> >   iotests/124: Add cluster_size mismatch test
> > 
> >  block/backup.c             | 72 ++++++++++++++++++++++++++++------------------
> >  tests/qemu-iotests/124     | 58 +++++++++++++++++++++++++++++++++----
> >  tests/qemu-iotests/124.out |  4 +--
> >  3 files changed, 99 insertions(+), 35 deletions(-)
> 
> Please CC Jeff Cody.  He maintains block jobs.

Jeff was Cc'ed. This series has already being applied and merged. :)

Fam