Re: [PATCH 01/15] readahead: limit readahead size for small devices

[Rik van Riel]

On 02/23/2010 10:10 PM, Wu Fengguang wrote:
> Linus reports a _really_ small&  slow (505kB, 15kB/s) USB device,
> on which blkid runs unpleasantly slow. He manages to optimize the blkid
> reads down to 1kB+16kB, but still kernel read-ahead turns it into 48kB.

> CC: Li Shaohua<shaohua.li@xxxxxxxxx>
> CC: Clemens Ladisch<clemens@xxxxxxxxxx>
> Acked-by: Jens Axboe<jens.axboe@xxxxxxxxxx>
> Tested-by: Vivek Goyal<vgoyal@xxxxxxxxxx>
> Tested-by: Linus Torvalds<torvalds@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Wu Fengguang<fengguang.wu@xxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>
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