On Thu, Jan 31, 2019 at 04:19:09PM +0100, Stefano Garzarella wrote: > This series adds the support of DISCARD and WRITE ZEROES commands > and extends the virtio-blk-test to test WRITE_ZEROES command when > the feature is enabled. > > v2: > - added patch 1 to use virtio_blk_handle_rw_error() with discard operation > - added patch 2 to make those new features machine-type dependent (thanks > David) > - fixed patch 3 (previously patch 1/2) adding more checks, block_acct_start() > for WRITE_ZEROES requests, and configurable parameters to > initialize the limits (max_sectors, wzeroes_may_unmap). > (thanks Stefan) > I moved in a new function the code to handle a single segment, > in order to simplify the support of multiple segments in the > future. > - added patch 4 to change the assert on data_size following the discussion > with > Thomas, Changpeng, Michael, and Stefan (thanks all) > - fixed patch 5 (previously patch 2/2) using local dwz_hdr variable instead of > dynamic allocation (thanks Thomas) > > This series requires the new virtio headers from linux v5.0-rc1 > already imported by Paolo: > > Based-on: <20190104082731.24967-1-pbonz...@redhat.com> > > Thanks, > Stefano
series: Reviewed-by: Michael S. Tsirkin <m...@redhat.com> merge through block tree I guess? > Stefano Garzarella (5): > virtio-blk: add acct_failed param to virtio_blk_handle_rw_error() > virtio-blk: add "discard-wzeroes" boolean property > virtio-blk: add DISCARD and WRITE ZEROES features > tests/virtio-blk: change assert on data_size in virtio_blk_request() > tests/virtio-blk: add test for WRITE_ZEROES command > > hw/block/virtio-blk.c | 185 ++++++++++++++++++++++++++++++++- > hw/core/machine.c | 1 + > include/hw/virtio/virtio-blk.h | 3 + > tests/virtio-blk-test.c | 75 ++++++++++++- > 4 files changed, 259 insertions(+), 5 deletions(-) > > -- > 2.20.1
