Re: [PATCH] speed up SATA
From: Pavel Machek <hidden>
Date: 2004-03-29 12:32:37
Also in:
lkml
From: Pavel Machek <hidden>
Date: 2004-03-29 12:32:37
Also in:
lkml
Hi!
Things seem to be looking pretty good, so it's now time to turn on lba48-sized transfers. Most SATA disks will be lba48 anyway, even the ones smaller than 137GB, for this and other reasons. With this simple patch, the max request size goes from 128K to 32MB... so you can imagine this will definitely help performance. Throughput goes up. Interrupts go down. Fun for the whole family.
32MB is one second if everything goes okay... That will be horrible for latency, right? -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms