On Tue, Aug 27, 2013 at 12:16 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> This is an experiment to see if we can get nice semantics for all syscalls
> that either follow symlinks or allow AT_EMPTY_PATH without jumping through
> enormous hoops. This converts truncate (although you can't tell using
> truncate from coreutils, because it actually uses open + ftruncate).
So this seems *way* too complex. I'd much rather see "nd->flags" get a
LOOKUP_READONLY flag, for example, that gets set by
proc_pid_follow_link() when it hits a read-only file descriptor (and
gets cleared by other lookups).
Wouldn't that be *much* more straightforward?
Linus
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