Re: silent semantic changes with reiser4

[David Greaves]

Linus Torvalds wrote:

> On Thu, 26 Aug 2004, Martin J. Bligh wrote:
>  
>
> > I think what you're saying is that they'd both return positive, right?
> >    
>
> No. I'd say that a file would look like a file, even if it has attributes.
>
> It wouldn't show as a directory at all - unless you start looking at 
> attributes. Because it really _is_ a file, and it's "directory aspect" is 
> really nothing but a way to make its named streams visible.
>
> So you really should consider it a perfectly regular file, and so only 
> S_ISREG() will return true, and S_ISDIR() will return false.
>
>  
ie, logically:

S_ISREG() no longer precludes O_DIRECTORY from succeeding
conversley
O_DIRECTORY succeeding no longer implies S_ISDIR()

However, apps making those assumptions will not notice new behaviour.

?

David

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