On Wed, Oct 18, 2006 at 08:04:29PM +1300, Mark Kirkwood wrote: > >"bgwriter doing aysncronous I/O for the dirty buffers that it is > >supposed to sync" > >Another decent use-case?
Good idea, but async i/o is generally poorly supported.
Async i/o is stably supported on most *nix (apart from Linux 2.6.*) plus Windows.
Guess it would be still worth it, since one fine day 2.6.* will start supporting it properly too.
Regards, Nikhils
> Is it worth considering using readv(2) instead?
Err, readv allows you to split a single consecutive read into multiple buffers. Doesn't help at all for reads on widely areas of a file.
Have a ncie day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to litigate.
