cifs_prepare_write fixes to remove problem in which we were not populating page data from the server copy when writing to non-uptodate page

Everything straigthforward and takes care of almost all sparse warnings
in fs/reiserfs/*.

Several places in arch/i386/kernel were still un-annotated - they didn't
trip copy_.._user(), so they stayed alive.  Caught and killed.

That's not all - there's a big cluster of them in vm86.c, but I haven't
looked into that code yet.

A bunch of "return in void function" dealt with, removed bogus extern
from definition of __load_new_mm_context(), sanitized fscking ugly
CROSS_64K() helper (even if sparse doesn't segfault on that anymore,
it's _still_ fscking ugly).

	... and that's where I'd found do_utimes() crap before I went
grepping ;-)

Trivial stuff in arch/alpha annotated; in two cases of
osf_proplist_syscall() dereferencing userland pointers replaced with
get_user

#if where #ifdef should've been

Long constants marked as such

Copying primitives annotated.

into ppc970.osdl.org:/home/torvalds/v2.6/linux

into ppc970.osdl.org:/home/torvalds/v2.6/linux

into ppc970.osdl.org:/home/torvalds/v2.6/linux

Fixed the type of SIOCGIFCONF callback; inet instance was already
correctly annotated, decnet one was _not_.  Moreover, decnet callback
needed fixing - dereferencing userland address.

Made ->write_proc in tty_driver suitable for procfs write callback

n_tty annotated, ldisc_struct ->read() and ->write() got __user
on their buf argument.

vt, vt_ioctl, consolemap and selection annotated, struct unimapdesc
and struct consolefontdesc got __user on their pointer members.

tty_ioctl.c annotation

tty_io.c annotated

That "u64" in there is actually struct iocb __user *.  Changed
prototype, killed casts in body and caller...

return void in floppy.h and "conditionally long" constants in page.h.

Would be useful to teach as(1) about C notation for long...

Long constants marked as such.

#if where #ifdef should've been.  Fixed.

Annotation of amd64 code - just adding __user where needed...

	Annotated basic primitives (copy_.._user, get_user, ...).
Functions got __user in prototypes, macros (in uaccess.h) got a
conditional check - see CHECK_UPTR() below.  If you have more elegant
way to deal with the macros - please, tell.

	Annotation of net/* ...copy... that deals with userland pointers +
several bits that fell out of previous patch (trivial annotations)

	dev_ioctl() has a __user pointer argument; however, its declaration
lacks that and callers are also wrong.  Declaration fixed, callers updated.

Here's the tail of setsockopt I've missed - for old protocol families we
have wrappers around those methods.

I managed to break compilation with my last patch with a last minute edit.

into kernel.bkbits.net:/home/davem/net-2.6

into kernel.bkbits.net:/home/davem/sparc-2.6