Messages in this thread | | | Date | Tue, 21 Sep 1999 23:04:01 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: bdflush optimisations... |
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On Thu, 2 Sep 1999, Daniel J Blueman wrote:
>- If bdflush were to sort the buffer chain when woken, before flushing some >buffers to disk, the gains would be obvious. On a SCSI sub-system, this
The kernel just try to do that. bdflush queues lots of requests in the ll_rw_block layer and then when the I/O is started all such requests gets sorted before being sent to the hardware disk controller.
Andrea
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