Signed-off-by: Tim Crawford <tcrawford@datto.com>
Since the argument num_blocks - i is passed as the LBA argument to COMPAREANDWRITE(), avoid that a negative number is passed. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Simulate VMware ESXi behaviour in issuing COMPARE AND WRITE requests against unwritten ranges. Signed-off-by: David Disseldorp <ddiss@suse.de>