On Thu, May 11, 2000 at 02:44:58PM +0200, Jamie Lokier wrote:
> Roman V. Shaposhnick wrote:
> > * all address space operations get a "struct file *" pointer. It will
> > contain a hint from kernel when it is available and NULL if it is not.
> Linus already noted that it needs to be clear this can be NULL --
> perhaps to the extent of having two separate functions, one with and one
> without the file pointer.
I disagree; Linus' idea was to let current adress_space_operations be
file oriented and let people create different set of methods but do
not touch fs.h. The interface is quite ok now, IMHO, it need not be
> May I humbly suggest you name the argument `struct file * file_or_null',
> so that filesystem implementors don't make the mistake of assuming it
> is always set?
Hm, I guess that what we need is somekind of documentation on this topic,
just to prevent further discussion of what adress_space_operations should be.
I bet that after a while there will be a lot of people asking just the
same questions and suggesting just the same that will "make things more
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