Messages in this thread |  | | | Date | Tue, 7 Sep 2004 08:28:00 -0700 (PDT) | | From | Linus Torvalds <> | | Subject | Re: [PATCH 4/4] copyfile: copyfile |
| |
On Tue, 7 Sep 2004, Jörn Engel wrote: > > > Actually, the 4kB batching one was - if you only max out to using 4kB at a > > time, sendfile() is kind of pointless, because then it will never do > > multi-page copies in the first place, and all the complexity at a lower > > level is worthless.. > > Give me a better number. 16k? 1M? Or would it not be fundamentally > flawed if the unit was seconds, instead of bytes? That makes a lot > more sense, since a floppy and a Ultra320 RAID array differ slightly > in speed and it's response time the users actually care about.
Well, you can't do it by seconds. What you _can_ do is to just make the fundamental page-cache sendfile thing check for interruptible, and just do it at a lower level. Maybe.
Linus - 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/
|  |