> -----Original Message-----
> From: Eran Tromer [mailto:[EMAIL PROTECTED] 
> Note that O_DIRECT requires the buffers in read() and write() 
> to be aligned (to 512-byte boundaries, in kernel 2.6.x).

>From my understanding of the buffer size they use, its 8192.
its multiple of 16 of 512. Is that what you mean? 



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