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I should add, you execute a lot more than 4k worth of instructions for each of these 4k writes, thus performance is non-optimal. This is why bios exist in the kernel, because the io layer has a similar problem when you send it only 4k at a time (of executing a lot more than 4k of instructions per io submission).The way the io layer handles bios is not as clean as it could be though, Nate can say more on that. - 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/ | ||||||||||||
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