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Encumbrance review done.
Add copyright and license words consistent with GPL.
Refer to http://fsg.melbourne.sgi.com/reviews/ for details.

There is a slight change in the license terms and conditions words
to go with the copyrights, so most of the files are not getting
new GPL's, just updated versions ... but there are 20-30 more files
here as well.

/*
 * Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 */
#ident "$Revision: 1.3 $"

/*
 * xfs_dir2_trace.c
 * Tracing for xfs v2 directories.
 */
#if defined(__linux__)
#include <xfs_linux.h>
#endif

#include <sys/types.h>
#include "xfs_buf.h"
#include <sys/debug.h>
#include <sys/ktrace.h>
#include <sys/systm.h>
#include <sys/uuid.h>
#include <ksys/behavior.h>
#include "xfs_types.h"
#include "xfs_inum.h"
#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_bmap_btree.h"
#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_da_btree.h"
#include "xfs_dir2_trace.h"

#ifdef DEBUG
ktrace_t	*xfs_dir2_trace_buf;
#endif /* DEBUG */

#ifdef XFS_DIR2_TRACE
/*
 * Enter something in the trace buffers.
 */
static void
xfs_dir2_trace_enter(
	xfs_inode_t	*dp,
	int		type,
	char		*where,
	char		*name,
	int		namelen,
	__psunsigned_t	a0,
	__psunsigned_t	a1,
	__psunsigned_t	a2,
	__psunsigned_t	a3,
	__psunsigned_t	a4,
	__psunsigned_t	a5,
	__psunsigned_t	a6)
{
	__psunsigned_t	n[6];

	ASSERT(xfs_dir2_trace_buf);
	ASSERT(dp->i_dir_trace);
	if (name)
		bcopy(name, n, min(sizeof(n), namelen));
	else
		bzero((char *)n, sizeof(n));
	ktrace_enter(xfs_dir2_trace_buf,
		(void *)(__psunsigned_t)type, (void *)where,
		(void *)a0, (void *)a1, (void *)a2, (void *)a3,
		(void *)a4, (void *)a5, (void *)a6,
		(void *)(__psunsigned_t)namelen,
		(void *)n[0], (void *)n[1], (void *)n[2],
		(void *)n[3], (void *)n[4], (void *)n[5]);
	ktrace_enter(dp->i_dir_trace,
		(void *)(__psunsigned_t)type, (void *)where,
		(void *)a0, (void *)a1, (void *)a2, (void *)a3,
		(void *)a4, (void *)a5, (void *)a6,
		(void *)(__psunsigned_t)namelen,
		(void *)n[0], (void *)n[1], (void *)n[2],
		(void *)n[3], (void *)n[4], (void *)n[5]);
}

void
xfs_dir2_trace_args(
	char		*where,
	xfs_da_args_t	*args)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck, 0, 0);
}

void
xfs_dir2_trace_args_b(
	char		*where,
	xfs_da_args_t	*args,
	xfs_dabuf_t	*bp)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_B, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck,
		(__psunsigned_t)(bp ? bp->bps[0] : NULL), 0);
}

void
xfs_dir2_trace_args_bb(
	char		*where,
	xfs_da_args_t	*args,
	xfs_dabuf_t	*lbp,
	xfs_dabuf_t	*dbp)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BB, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck,
		(__psunsigned_t)(lbp ? lbp->bps[0] : NULL),
		(__psunsigned_t)(dbp ? dbp->bps[0] : NULL));
}

void
xfs_dir2_trace_args_bibii(
	char		*where,
	xfs_da_args_t	*args,
	xfs_dabuf_t	*bs,
	int		ss,
	xfs_dabuf_t	*bd,
	int		sd,
	int		c)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BIBII, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)(bs ? bs->bps[0] : NULL), (__psunsigned_t)ss,
		(__psunsigned_t)(bd ? bd->bps[0] : NULL), (__psunsigned_t)sd,
		(__psunsigned_t)c);
}

void
xfs_dir2_trace_args_db(
	char		*where,
	xfs_da_args_t	*args,
	xfs_dir2_db_t	db,
	xfs_dabuf_t	*bp)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_DB, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck, (__psunsigned_t)db,
		(__psunsigned_t)(bp ? bp->bps[0] : NULL));
}

void
xfs_dir2_trace_args_i(
	char		*where,
	xfs_da_args_t	*args,
	xfs_ino_t	i)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_I, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck, (__psunsigned_t)i, 0);
}

void
xfs_dir2_trace_args_s(
	char		*where,
	xfs_da_args_t	*args,
	int		s)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_S, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck, (__psunsigned_t)s, 0);
}

void
xfs_dir2_trace_args_sb(
	char		*where,
	xfs_da_args_t	*args,
	int		s,
	xfs_dabuf_t	*bp)
{
	xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_SB, where,
		(char *)args->name, (int)args->namelen,
		(__psunsigned_t)args->hashval, (__psunsigned_t)args->inumber,
		(__psunsigned_t)args->dp, (__psunsigned_t)args->trans,
		(__psunsigned_t)args->justcheck, (__psunsigned_t)s,
		(__psunsigned_t)(bp ? bp->bps[0] : NULL));
}
#endif	/* XFS_DIR2_TRACE */