On Wed, Nov 27, 2013 at 11:07:00AM +0100, Peter Lieven wrote: > this series adds some optimizations for qemu-img during convert which > have been developed recently: > - skipping input based on get_block_status > - variable I/O buffer size > - align write requests to cluster_size > > v2->v3: > - added Paolos comments in Patch 1 > - changed the comment in patch 7 [Paolo] > - remove the patch to add sector progress output > - added a new patch to decrease the progress update interval. > > v1->v2: > - introduce opt_transfer_length in BlockLimits [Paolo] > - remove knobs for iobuffer_size and alignment and > use them unconditionally [Paolo] > - calculate I/O buffer size by BlockLimits information [Paolo] > - change the alignment patch to round down to the > last and not to the next aligned sector [Paolo] > - limit updates in the sector progress output > - new patch to increase the default for min_sparse [Paolo] > > Peter Lieven (9): > qemu-img: add support for skipping zeroes in input during convert > qemu-img: fix usage instruction for qemu-img convert > block/iscsi: set bdi->cluster_size > block: add opt_transfer_length to BlockLimits > block/iscsi: set bs->bl.opt_transfer_length > qemu-img: dynamically adjust iobuffer size during convert > qemu-img: round down request length to an aligned sector > qemu-img: increase min_sparse to 128 sectors (64kb) > qemu-img: decrease progress update interval on convert > > block/iscsi.c | 10 ++++ > include/block/block_int.h | 3 ++ > qemu-img.c | 131 > +++++++++++++++++++++++++++------------------ > qemu-img.texi | 2 +- > 4 files changed, 93 insertions(+), 53 deletions(-)
Merged all except patch 8/9. Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
