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Message-ID: <20091120095129.GD11212@elf.ucw.cz> Date: Fri, 20 Nov 2009 10:51:29 +0100 From: Pavel Machek <pavel@....cz> To: Miklos Szeredi <miklos@...redi.hu> Cc: jlayton@...hat.com, ebiederm@...ssion.com, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: Re: [PATCH] procfs: make /proc style symlinks behave like "normal" symlinks On Fri 2009-11-20 10:31:40, Miklos Szeredi wrote: > On Thu, 19 Nov 2009, Pavel Machek wrote: > > > Adding the missing revalidations is fine, but I don't believe that > > > helps to fix Pavel's issue. I'll go back and take a more careful look > > > at the suggestion that Miklos made and see whether it makes sense to > > > implement a new FS_* flag for this, and see what it'll take to fix > > > Pavel's issue. > > What is this "Pavel's issue"? The one we were talking about, see bugtraq. > > One posibility would be to make open(/proc/XX/fd/XX) behave like > > dup(). That should solve the NFS problems, too, no? > > You mean, reuse the old "struct file" for the new open? Or what? Aha, dup() results in file position being shared. You are right, that's not going to fly :-(. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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