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ioctl/open return errors, not u.u_error; remove ubarelses (it is
now done in uba.c); add open routines to some disk drivers

minor fixes relating to u.u_error handling

header files for vax are in their place

fully uio()'d

changes for char dev uio'ing

probe routines return size of unibus dev regs to reserve space

fixes to ecc code

fix handling of b_active

fixes from lucasfilm

make bio and disk drivers not do spl0 so can call from panic without trap 2's

lint

fixes a couple of bugs related to resetting of

NOBADBLOCK->NOBADSECT

support rk06 and handle bad blocks

fixup ecc code to work

simplify ubainit() code

fixes to error handling and cosmetics

fixes to skip offset position on WRITES, not READS!

cleanup todo

fixes to offset recovery code

recal fixes; fix botch with SSE in hp.c

%G% -> %E%

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