Re: silent semantic changes with reiser4

David Greaves
2004-08-27T10:44:54Z

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