The first 2 patches are in preparation and generalize parts later used by the following patches that add handling of flush, discard, and write-zeroes requests. v2: - rebased on https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git - used dev_dbg() to print errors [Jason] - moved sector to be 0 checking to another patch and generalized for other requests - modified vdpasim_blk_check_range() to be used also with discard and write-zeroes - added discard and write-zeroes requests handling v1: https://lore.kernel.org/virtualization/20220428151242.213824-1-sgarzare@xxxxxxxxxx/ Tree available here: https://gitlab.com/sgarzarella/linux.git vdpa-sim-blk-flush-discard-wz Thanks, Stefano Stefano Garzarella (4): vdpa_sim_blk: check if sector is 0 for commands other than read or write vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH vdpa_sim_blk: add support for discard and write-zeroes drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 127 +++++++++++++++++++++++---- 1 file changed, 111 insertions(+), 16 deletions(-) -- 2.37.1 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization