Translate it on syscall entry/exit iff current->personality == PER_LIBC5
Entry's simple, but translating back from 64-bit to 16-bit on exit may take
some thought. Which syscalls return an inode?
Given that most programs which require such low level access are available in
source form, it'll be rare that this overhead is incurred - most
processes which use the affected syscalls will be recompiled with glibc.
> Finally, I don't see how your scheme can work to support more SCSI
> minors. Unless you have a whole new SCSI driver on one of the "high"
> majors. Yuk. That gets back to the problem of "blocking" libc 5 access
> to some of your discs.
Add a second major # for the SCSI system, following one of the more sensible
schemes suggested. Keep the old major/minor numbers, but deprecate them in
much the same way as the cua devices.
This way, legacy programs can still have access to the devices, and the new
system is available for anything which wants to use it. Your devfs will also
help legacy programs to use new devices, if necessary.
Bringing in a more sensible SCSI naming/numbering scheme has moved up on my
list of priorities - I trashed my MBR earlier this evening because I tried to
use my hard drive as a scanner :)
---- ---- ----
David Woodhouse, Robinson College, CB3 9AN, England. (+44) 0976 658355
Dave@imladris.demon.co.uk http://www.imladris.demon.co.uk
finger pgp@dwmw2.robinson.cam.ac.uk for PGP key.
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