Messages in this thread | | | Date | Mon, 21 Apr 2014 16:22:19 -0400 | From | Rich Felker <> | Subject | Re: [PATCH] locks: rename file-private locks to file-description locks |
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On Mon, Apr 21, 2014 at 03:16:29PM -0400, Jeff Layton wrote: > On Mon, 21 Apr 2014 14:48:29 -0400 > Rich Felker <dalias@libc.org> wrote: > > > On Mon, Apr 21, 2014 at 02:32:38PM -0400, Jeff Layton wrote: > > > > > Fair enough. Assuming we kept "file-description locks" as a name, what > > > > > would you propose as new macro names? > > > > > > > > I assume you meant, "assume we kept the term 'file-private locks'..." > > > > In that case, at least make the constants something like > > > > > > > > F_FP_SETLK > > > > F_FP_SETLKW > > > > F_FP_GETLK > > > > > > > > so that they are not confused with the traditional constants. > > > > > > > > Cheer, > > > > > > > > > > Actually no, I was asking how Rich would name the constants if we use > > > the name "file-description locks" (as per the patch I posted this > > > morning), since his objection was the use if *_FD_* names. > > > > > > I would assume that if we stick with "file-private locks" as the name, > > > then we'll still change the constants to a form like *_FP_*. > > > > > > Also, to be clear...Frank is correct that the name "file-private" came > > > from allowing the locks to be "private" to a particular open file > > > description. Though I agree that it's a crappy name at best... > > > > As I mentioned in a reply to Michael just now, I think FP is bad > > because the whole problem is that legacy fcntl locks are associated > > with the underlying file rather than the open file description (open > > instance). So open-private (OP) might be a better choice than > > file-private. > > Is "open-private" or "open-file-private" really any better than > "file-private" ? They're all names that only a mother could love and > I'm not sure any of them are really any clearer than the others. Also:
Yes, much better. File-private expresses the current broken semantics of fcntl locks: being associated with files. The whole point of the new locks is NOT to be associated with files but with open file descriptions.
Rich
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