RE: Using O_DIRECT for file writing in a kernel module

From: Hanson, Jonathan M
Date: Sat Feb 12 2005 - 09:27:24 EST


On Fri, 2005-02-11 at 17:58 -0700, Hanson, Jonathan M wrote:
> I'm trying to write to a file with the O_DIRECT flag from a
> kernel module in a 2.4 series of kernel on x86 hardware. I've learned
> that the O_DIRECT flag requires that the amount of data written and
the
> file offset pointer must be multiples of the underlying "block size."


ehhh why are you writing to a file from a kernel module? That's
generally considered a really bad idea....

[Jon M. Hanson] For what I'm doing I have no other choice but to write
to a file from my kernel module.

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