On Thu, Oct 17, 2002 at 12:01:07AM +0200, Andi Kleen wrote:
> No that's not true. The VFS doesn't know about these flags as far as
> I know. You have to handle them in fs specific code.
go look at fs/open.c these calls are using the IS_IMMUTABLE and
IS_APPEND macros to check and enforce these flags.
> Even more interesting looking at the source and testing it at least append
> only
> is broken for ext2/ext3 - generic_file_llseek doesn't check for it
> so while you're required to open such a file O_APPEND lseek still works fine.
> It has probably bitrotted long ago.
that would be a bug to be fixed.
> So if you want to implement it for XFS it may be a good idea to fix it
> in ext2 first.
sure
--
Ethan Benson
http://www.alaska.net/~erbenson/
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