Re: UTF-8 and case-insensitivity

From: Linus Torvalds
Date: Thu Feb 19 2004 - 11:51:45 EST




On Thu, 19 Feb 2004, Jamie Lokier wrote:
> Linus Torvalds wrote:
> > For example, the rule can be that _any_ regular dentry create will
> > invalidate all the "case-insensitive" dentries. Just to be simple about
> > it.
>
> If that's the rule, then with exactly the same algorithmic efficiency,
> readdir+dnotify can be used to maintain the cache in userspace
> instead. There is nothing gained by using the helper module in that case.

Wrong.

Because the dnotify would trigger EVEN FOR SAMBA OPERATIONS.

Think about it. Think about samba doing a "rename()" within the directory.

Linus
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