re: scsipi: physio split the request

[matthew green <mrg%eterna.com.au@localhost>]

> Of course larger transfers would also mitigate the overhead for each I/O
> operation, but we already do several Gigabyte/s with 64k transfers and
> filesystem I/O tends to be even smaller.

yes - the benefits will be in the 0-10% range for most things.  it
will help, but only a fairly small amount, most of us won't notice.

i've seen peaks of 1.4GB/s with an nvme(4) device with ffs on top.


.mrg.