unifdef -U__NetBSD__ -D__FreeBSD__

Fix all areas of the system (or at least all those in LINT) to avoid storing
socket addresses in mbufs. (Socket buffers are the one exception.) A number
of kernel APIs needed to get fixed in order

Fix all areas of the system (or at least all those in LINT) to avoid storing
socket addresses in mbufs. (Socket buffers are the one exception.) A number
of kernel APIs needed to get fixed in order to make this happen. Also,
fix three protocol families which kept PCBs in mbufs to not malloc them
instead. Delete some old compatibility cruft while we're at it, and add
some new routines in the in_cksum family.

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Merge WebNFS changes from NetBSD.

Obtained from: NetBSD

Various fixes from NetBSD:

Use u_int for rpc procedure numbers.
Some fixes to NQNFS.
A rare NULL pointer dereference.
Ignore NFSMNT_NOCONN for TCP mounts.

Obtained from: NetBSD

Fix a few bugs with NFS and mmap caused by NFS' use of b_validoff
and b_validend. The changes to vfs_bio.c are a bit ugly but hopefully
can be tidied up later by a slight redesign.

PR: kern/2573,

Fix a few bugs with NFS and mmap caused by NFS' use of b_validoff
and b_validend. The changes to vfs_bio.c are a bit ugly but hopefully
can be tidied up later by a slight redesign.

PR: kern/2573, kern/2754, kern/3046 (possibly)
Reviewed by: dyson

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Don't keep addresses in mbuf chains. This should simplify the next round
of network changes from Garret.

Reviewed by: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>

Fix a nasty hang connected with write gathering. Also add debug print
statements to bits of the server which helped me find the hang.

Define our own version of DIRBLKSIZ instead of (ab)using ufs's value.
Use the same value of 512 (ufs actually uses DEV_BSIZE). There are
too many versions of DIRBLKSIZ, one for ufs, one for ext2fs,

Define our own version of DIRBLKSIZ instead of (ab)using ufs's value.
Use the same value of 512 (ufs actually uses DEV_BSIZE). There are
too many versions of DIRBLKSIZ, one for ufs, one for ext2fs, one for
nfs, one for ibcs2, one for linux, one for applications, ... I think
nfs's DIRBLKSIZ needs to be a divisor of the directory blocks sizes
of all supported file systems. There is also NFS_DIRBLKSIZ, which is
different from nfs's DIRBLKSIZ but is sometimes confused with it in
comments.

Removed a bogus #ifdef KERNEL that hid the tunable constants for nfs.
This came in undocumented with the Lite2 merge although it isn't in
Lite2. It required more-bogus #define KERNEL's in fstat and pstat
to make the constants visible.

Restored a spelling fix from rev.1.17.

Removed duplicate #defines of all the the NFS mount option flags.

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Add code that will reject nfs requests in teh kernel from nonprivileged
ports. This option will be automatically set/cleraed when mount is run
without/with the -n option.
Reviewed by: Doug Rabson

Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not
ready for it yet.

This is the kernel Lite/2 commit. There are some requisite userland
changes, so don't expect to be able to run the kernel as-is (very well)
without the appropriate Lite/2 userland changes.

The syst

This is the kernel Lite/2 commit. There are some requisite userland
changes, so don't expect to be able to run the kernel as-is (very well)
without the appropriate Lite/2 userland changes.

The system boots and can mount UFS filesystems.

Untested: ext2fs, msdosfs, NFS
Known problems: Incorrect Berkeley ID strings in some files.
Mount_std mounts will not work until the getfsent
library routine is changed.

Reviewed by: various people
Submitted by: Jeffery Hsu <hsu@freebsd.org>

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Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

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Improve the queuing algorithms used by NFS' asynchronous i/o. The
existing mechanism uses a global queue for some buffers and the
vp->b_dirtyblkhd queue for others. This turns sequential writes int

Improve the queuing algorithms used by NFS' asynchronous i/o. The
existing mechanism uses a global queue for some buffers and the
vp->b_dirtyblkhd queue for others. This turns sequential writes into
randomly ordered writes to the server, affecting both read and write
performance. The existing mechanism also copes badly with hung
servers, tending to block accesses to other servers when all the iods
are waiting for a hung server.

The new mechanism uses a queue for each mount point. All asynchronous
i/o goes through this queue which preserves the ordering of requests.
A simple mechanism ensures that the iods are shared out fairly between
active mount points. This removes the sysctl variable vfs.nfs.dwrite
since the new queueing mechanism removes the old delayed write code
completely.

This should go into the 2.2 branch.

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Even though this looks like it, this is not a complex code change.
The interface into the "VMIO" system has changed to be more consistant
and robust. Essentially, it is now no longer necessary to ca

Even though this looks like it, this is not a complex code change.
The interface into the "VMIO" system has changed to be more consistant
and robust. Essentially, it is now no longer necessary to call vn_open
to get merged VM/Buffer cache operation, and exceptional conditions
such as merged operation of VBLK devices is simpler and more correct.

This code corrects a potentially large set of problems including the
problems with ktrace output and loaded systems, file create/deletes,
etc.

Most of the changes to NFS are cosmetic and name changes, eliminating
a layer of subroutine calls. The direct calls to vput/vrele have
been re-instituted for better cross platform compatibility.

Reviewed by: davidg

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Fix a bunch of spelling errors in the comment fields of
a bunch of system include files.

Staticize.

Completed function declarations and/or added prototypes and/or moved
prototypes to the right place.

Completed function declarations and/or added prototypes.

Include a prerequisite header (so this is consistent again with the
NFSv2 state).

Second batch of cleanup changes.
This time mostly making a lot of things static and some unused
variables here and there.

Eliminate sloppy common-style declarations. There should be none left for
the LINT configuation.

Changes to support version 3 of the NFS protocol.
The version 2 support has been tested (client+server) against FreeBSD-2.0,
IRIX 5.3 and FreeBSD-current (using a loopback mount). The version 2 supp

Changes to support version 3 of the NFS protocol.
The version 2 support has been tested (client+server) against FreeBSD-2.0,
IRIX 5.3 and FreeBSD-current (using a loopback mount). The version 2 support
is stable AFAIK.
The version 3 support has been tested with a loopback mount and minimally
against an IRIX 5.3 server. It needs more testing and may have problems.
I have patched amd to support the new variable length filehandles although
it will still only use version 2 of the protocol.

Before booting a kernel with these changes, nfs clients will need to at least
build and install /usr/sbin/mount_nfs. Servers will need to build and
install /usr/sbin/mountd.

NFS diskless support is untested.

Obtained from: Rick Macklem <rick@snowhite.cis.uoguelph.ca>

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YFfix
+int nfsrv_vput __P(( struct vnode * ));
+int nfsrv_vrele __P(( struct vnode * ));
+int nfsrv_vmio __P(( struct vnode * ));

Forward-declare a few structures to avoid warning messages.

Implement fs.nfs MIB variables.