On Mon, Jul 17 2000, Vitez Gabor wrote:
> Hi,
> I've got a few questions about the elevator algorithm.
> After looking at ll_rw_blk.c and reading the linux-kernel mail archives
> it seems to me that the elevator algorithm is used for all kind of block
> devices, including hardware-raid controllers (like IBM ServerRaid and
> Compaq SMART2). It also seems to me that you are not using the head
> position for block write sequence reordering, but the linear address of
> the blocks. Are these two "assumptions" true?
Yes. But low level drivers are free to override that choice by
either defining their own I/O scheduler or use the no-op scheduler
provided by the kernel as well.
-- * Jens Axboe <axboe@suse.de> * SuSE Labs- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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