This adds some preparing patches for upcoming multiwrite modifications. I will leave the dangerous patches for after 2.2 release.
Peter Lieven (4): block: add accounting for merged requests block: introduce bdrv_runtime_opts block: add a knob to disable multiwrite_merge hw/virtio-blk: add a constant for max number of merged requests block.c | 50 ++++++++++++++++++++++++++++++++++++++------ block/accounting.c | 8 ++++++- block/qapi.c | 3 +++ hmp.c | 10 ++++++++- hw/block/virtio-blk.c | 4 +++- include/block/accounting.h | 3 +++ include/block/block_int.h | 1 + qapi/block-core.json | 19 +++++++++++++++-- qemu-options.hx | 1 + qmp-commands.hx | 2 ++ 10 files changed, 90 insertions(+), 11 deletions(-) -- 1.7.9.5