[ILUG] USB mass storage woes

[Rick Moen]

Quoting ger (gerdono at eircom.net):

> From man mount page
> sync    All I/O to the file system  should  be  done synchronously.
> 
> To me this means that all I/O operations occur at the same time. This 
> should improve write speed. There is also an option call async which is the 
> opposite. I cannot see how this option in mount will prevent or reduce data 
> loss from unexpected disconnections during write operations.

The theory is that there are no delayed writes (write operations held in
a write-back cache buffer); therefore, you are not prone to fooling
yourself into thinking write operations to the device have completed
when they've merely been queued up.