On Wed, Jan 11, 2017 at 04:08:31PM +0000, Bart Van Assche wrote:
> A typical Ethernet network adapter delays the generation of an interrupt
> after it has received a packet. A typical block device or HBA does not delay
> the generation of an interrupt that reports an I/O completion.

NVMe allows for configurable interrupt coalescing, as do a few modern
SCSI HBAs.
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