On Mon, Apr 27 2020 at 8:51pm -0400,
Gabriel Krisman Bertazi wrote:
> HST need to know the IO start time in order to predict path
> performance. For request-based multipath use the block layer
> io_start_time, while for BIO use the dm_io start_time.
>
> The dm_start_time_ns_from_clone function
HST need to know the IO start time in order to predict path
performance. For request-based multipath use the block layer
io_start_time, while for BIO use the dm_io start_time.
The dm_start_time_ns_from_clone function was suggested and implemented
by Mike Snitzer .
Cc: Mike Snitzer
Cc: Khazhismel
