Re: [fuse-devel] Fuse newby-ish question on why cp works and dd does not work.

[Mateusz P. <ol...@o2...>]

On Tue, 18 Dec 2012 10:51:06 -0700
Ceri Davies <Ceri.Davies@Oracle.com> wrote:

> Not sure if this is the correct forum, please correct me if not.
> 
> I've implemented a basic pass through fuse implementation based on the standard example that comes with fuse,
> and I can do basic stuff like copy a file into the fuse mounted directory, and can commands: ls, cat, vi
> However dd does not work.
> I do the following:
> # cp x /aoc/container40/x <---- works
> # vi  /aoc/container40/x <---- works
> 
> # dd oflag=direct if=/dev/zero of=/aoc/container40/0 count=10 bs=128k
> dd: opening `/aoc/container42/0': Invalid argument

Out of curiosity I checked similar dd invocation on a tmpfs.
It fails with the same error. Removing the direct oflag makes it work,
but I guess it's not what you want.

--8<--

Regards

-- 
Mateusz Poszwa