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0f3ebf2d4b
Add ublk stripe target which can take 1~4 underlying backing files or block device, with stripe size 4k ~ 512K. Add two basic tests(write verify & mkfs/mount/umount) over ublk/stripe. This target is helpful to cover multiple IOs aiming at same fixed/registered IO kernel buffer. It is also capable of verifying vectored registered (kernel)buffers in future for zero copy, so far it isn't supported yet. Todo: support vectored registered kernel buffer for ublk/zc. Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20250322093218.431419-9-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>