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SubjectRe: Msdos name alias patch for 2.1.48
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On Thu, 7 Aug 1997, Janos Farkas wrote:

> On Wed, Aug 06, 1997 at 10:12:04AM -0700, Linus Torvalds wrote:
> [ Andreas Schwab writes:]
> > > A better approach might perhaps be if xxx_lookup not only
> > > creates the dentry for the original name, but also for a `canonical' name,
> > > ie., the name it would return in xxx_readdir.
> >
> > I've been thinking along a slightly different line.
> >
> > What could be done is that "lookup" will just match any of the canonical
> > names, but when it notices that it has matched the same inode twice, it
> > just throws away the new dentry and returns the old dentry instead. That
> > way only one dentry would ever be active at a time.
There should be only one canonical name for FS's like vfat and for that
Linus's suggestion is proper, but the matching should never be done by
inode.
>
> Hmm.. That would make dentries less and less useful, in my eyes. Currently,
> they at least try to imitate Unix (single inode -> multiple dentry possible).
> The scheme above would mean it would be impossible to differentiate between
> hard links (or at least their names from their dentries). And for nfs, even
> more difficulties may come if someone renames a still-in-use file remotely?
>
> At least only one of them would live, just as well as if it was hardlinked?
>
> --
> Janos - Don't worry, my address works. I'm just bored of spam.
>

Type Bits/KeyID Date User ID
pub 768/8B29D4BD 1997/07/23 Fila Kolodny <fila@ibi.com>
Fila Kolodny <filak@idt.net>

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