Re: [PATCH] 64 bit scsi read/write

From: Chris Wedgwood (cw@f00f.org)
Date: Sun Jul 15 2001 - 10:33:22 EST


On Sun, Jul 15, 2001 at 04:32:59PM +0100, Alan Cox wrote:

    Another way is to time
    
            write block
            write barrier
            write same block
            write barrier
            repeat
    
    If the write barrier is working you should be able to measure the
    drive rpm 8)

Yeah, I was thinking of doing this with caches turned off, since I
know how to do that, but not a write-barrier.

  --cs
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