Messages in this thread | | | Date | Tue, 27 Aug 2013 12:32:26 -0700 | Subject | Re: [RFC PATCH] fs: Add user_file_or_path_at and use it for truncate | From | Linus Torvalds <> |
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On Tue, Aug 27, 2013 at 12:16 PM, Andy Lutomirski <luto@amacapital.net> 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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