Messages in this thread | | | Date | Fri, 27 Jun 2003 13:29:20 +0200 | From | Jens Axboe <> | Subject | Re: [BIO] request->flags ambiguity |
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On Fri, Jun 27 2003, Samium Gromoff wrote: > On Fri, 27 Jun 2003 12:48:22 +0200 > Jens Axboe <axboe@suse.de> wrote: > -- snip -- > > > Is it ok to have a possibility of a request with conflicting > > > meanings attached to it? For example REQ_CMD | REQ_PM_SHUTDOWN > > > | REQ_SPECIAL. > > > > No of course not. > -- snip -- > > > Shouldn`t it make more sense to separate request-type-indicator > > > flags into a separate unambiguous type field, which would take > > > one of the following values: - read/write request - sense query > > > - power control - special request > > > > > > And not a currently possible combination of all of them, which > > > seem to be the current situation. > > > > There has been talk of that before, search the archives. > > Umm, i`ve tried and failed, couldn`t you share some vague > pointers about the topic or something?
Some pointers here
http://marc.theaimsgroup.com/?l=linux-kernel&m=105482104321668&w=2
-- Jens Axboe
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