Messages in this thread |  | | From | "H. Peter Anvin" <> | Subject | Re: test10-pre7 | Date | 31 Oct 2000 09:38:31 -0800 |
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Followup to: <Pine.LNX.4.10.10010310912050.6866-100000@penguin.transmeta.com> By author: Linus Torvalds <torvalds@transmeta.com> In newsgroup: linux.dev.kernel > > On Tue, 31 Oct 2000, Peter Samuelson wrote: > > > > The thing that Keith's patch does is flush these things out into the > > open. By using LINK_FIRST/LINK_LAST, we declare that "these are the > > known issues" -- and then the rest of the objects are reordered, and if > > something breaks, we track it down and add it to LINK_FIRST. > > But it doesn't even WORK. > > You need to have > > LINK_FIRST1 > LINK_FIRST2 > LINK_FIRST3 > ... > > etc to get the proper ordering. > > USB is the _easy_ case. There happen sto be only one file that cares about > ordering. > > In many other cases, like SCSI, we need almost _total_ ordering. For such > a case, theer is no "first" or "last" - there is a well-specific ORDER. >
Sounds like what you actually need is LINK_BEFORE() LINK_AFTER() and a topological sort.
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