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SubjectRe: dd PATCH: add conv=direct
On Wed, Apr 07, 2004 at 05:02:24PM -0500, Nathan Straz wrote:
> On Tue, Apr 06, 2004 at 05:03:58PM -0500, Andy Isaacson wrote:
> > Linux-kernel: is this patch horribly wrong?
> ...
> > to force O_DIRECT. The enclosed patch adds a "conv=direct" flag to
> > enable this usage.
>
> Adding the functionality to conv= doesn't seem right to me. conv= is
> for converting the data in some way. This is just changing the way data
> is written. Right?

There's already conv=notrunc which means "open without O_TRUNC". I
agree that it's a nonintuitive interface, but then, the entire dd(1)
command line is.

> Have you looked at lmdd? It supports O_DIRECT and many other things not
> in the standard dd.

Wasn't aware of that one. Thanks for the pointer.

-andy
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