Re: clearing filesystem cache for I/O benchmarks

[Chris Wedgwood]

On Fri, Jul 23, 2004 at 06:54:54PM -0400, Benjamin Rutt wrote:

> How can I purge all of the kernel's filesystem caches, so I can
> trust that my I/O (read) requests I'm trying to benchmark bypass the
> kernel filesystem cache?

does "ioctl(fd, BLKFLSBUF,0)" suffice?


   --cw
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