Merging phk's filedesc cleanup and lock pushdown.

[Jeff Roberson]

Fixed the build and merged this.  Any stable users who can should test
this.  I'm very confident in it, but more eyes and users are better.

Thanks,
Jeff

On Thu, 24 Feb 2005, Francois Tigeot wrote:

> On Thu, Feb 24, 2005 at 03:18:49AM -0500, Jeff Roberson wrote:
> > I am going to MFC phk's filedesc related work in the next few days.  This
> > is required if I am ever to merge the vfs smp changes.  I have a patch
> > available at:
> >
> > http://www.chesapeake.net/~jroberson/fdesc.patch
> >
> > I'd appreciate it if anyone who can would test this.  It has been running
> > on current for 3-4 months, depending on the bit, but there's always a
> > chance of a botched merge.
>
> World doesn't build with this patch:
>
> cc -O -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type
> -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c
> /usr/src/usr.bin/fstat/fstat.c
> /usr/src/usr.bin/fstat/fstat.c: In function `dofiles':
> /usr/src/usr.bin/fstat/fstat.c:325: error: storage size of 'filed0' isn't known
> /usr/src/usr.bin/fstat/fstat.c:363: error: `NDFILE' undeclared (first use in this function)
> /usr/src/usr.bin/fstat/fstat.c:363: error: (Each undeclared identifier is reported only once
> /usr/src/usr.bin/fstat/fstat.c:363: error: for each function it appears in.)
> /usr/src/usr.bin/fstat/fstat.c:325: warning: unused variable `filed0'
> *** Error code 1
>
> Stop in /usr/src/usr.bin/fstat.
> *** Error code 1
>
> Stop in /usr/src/usr.bin.
> *** Error code 1
>
> Stop in /usr/src.
> *** Error code 1
>
> Stop in /usr/src.
> *** Error code 1
>
> Stop in /usr/src.
> nice make buildworld  1209,00s user 251,75s system 78% cpu 31:04,65 total
>
> This machine is an amd64 5.3-STABLE host. The same sources build nicely
> without the patch.
>
> --
> Francois Tigeot
>