Messages in this thread | | | From | Peter Chubb <> | Date | Mon, 7 Apr 2003 09:04:10 +1000 | Subject | Re: [PATCH] take 48-bit lba a bit further |
| |
>>>>> "John" == John Bradford <john@grabjohn.com> writes:
John> So, say you have a choice of either a 256Kb request to a low John> block number, which can use the faster 28-bit mode, or a 512Kb John> request to the same low block number, which can only be made John> using 48-bit LBA, which is the best to use?
Interrupt overhead as measured here is greater than the IO overhead (at least on IA64 and alpha machines). The bigger the transfer for a single interrupt, the better.
Peter C - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |