Messages in this thread |  | | Subject | Re: Minor numbers | Date | Mon, 14 May 2001 15:02:08 +0200 (MEST) | From | (Rogier Wolff) |
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Alan Cox wrote: > > 255. Has this limitation been some how addressed with 2.4? 256 devices > > per module, sometimes is not enough, especially if you are in the SAN > > environment; or when the 256 minors numbers are broken down to several > > 2.4 is using 16bit dev_t in kernel still. Application space sees a much > larger dev_t so we can make the move in 2.5 very easily > > > work-around or is proposing a solution? I believe that minor and major > > numbers for SUN and AIX are both 16 bits each (32 bits dev_t). > > 20:12 is more common
Which is major, which is minor?
I have one (private) driver that requires around 5000 minors. (currently through some 20 majors) (Currently only just over half of these are physically installed....)
Roger.
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