Execution condition embedded in a command or a request to storage device

A storage device, comprising:

• a non-volatile memory (NVM);
• and
• a storage device controller, comprising:
• a NVM interface coupled to the NVM, and
• a universal flash storage interconnect;
• the storage device controller configured to:
• receive a first write-verify thread as a first simple write command Universal Flash Storage protocol information unit (UPIU) and as a first simple read command UPIU with a first extra header segment with a first execution condition whether a first write command of the first simple write command UPIU has completed;
• receive a second write-verify thread as a second simple write command UPIU and as a second simple read command UPIU with a second extra header segment with a second execution condition whether a second write command of the second simple write command UPIU is completed;
• and
• execute the first write-verify thread and the second write-verify thread in parallel.