ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.6.tar.bz2
[linux-2.6.git] / fs / xfs / xfs_dir2_trace.c
1 /*
2  * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of version 2 of the GNU General Public License as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it would be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11  *
12  * Further, this software is distributed without any warranty that it is
13  * free of the rightful claim of any third person regarding infringement
14  * or the like.  Any license provided herein, whether implied or
15  * otherwise, applies only to this software file.  Patent licenses, if
16  * any, provided herein do not apply to combinations of this program with
17  * other software, or any other product whatsoever.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write the Free Software Foundation, Inc., 59
21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22  *
23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24  * Mountain View, CA  94043, or:
25  *
26  * http://www.sgi.com
27  *
28  * For further information regarding this notice, see:
29  *
30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31  */
32
33 /*
34  * xfs_dir2_trace.c
35  * Tracing for xfs v2 directories.
36  */
37 #include "xfs.h"
38
39 #include "xfs_types.h"
40 #include "xfs_inum.h"
41 #include "xfs_dir.h"
42 #include "xfs_dir2.h"
43 #include "xfs_bmap_btree.h"
44 #include "xfs_attr_sf.h"
45 #include "xfs_dir_sf.h"
46 #include "xfs_dir2_sf.h"
47 #include "xfs_dinode.h"
48 #include "xfs_inode.h"
49 #include "xfs_da_btree.h"
50 #include "xfs_dir2_trace.h"
51
52 #ifdef XFS_DIR2_TRACE
53 ktrace_t        *xfs_dir2_trace_buf;
54
55 /*
56  * Enter something in the trace buffers.
57  */
58 static void
59 xfs_dir2_trace_enter(
60         xfs_inode_t     *dp,
61         int             type,
62         char            *where,
63         char            *name,
64         int             namelen,
65         void            *a0,
66         void            *a1,
67         void            *a2,
68         void            *a3,
69         void            *a4,
70         void            *a5,
71         void            *a6,
72         void            *a7)
73 {
74         void            *n[5];
75
76         ASSERT(xfs_dir2_trace_buf);
77         ASSERT(dp->i_dir_trace);
78         if (name)
79                 memcpy(n, name, min((int)sizeof(n), namelen));
80         else
81                 memset((char *)n, 0, sizeof(n));
82         ktrace_enter(xfs_dir2_trace_buf,
83                 (void *)(long)type, (void *)where,
84                 (void *)a0, (void *)a1, (void *)a2, (void *)a3,
85                 (void *)a4, (void *)a5, (void *)a6, (void *)a7,
86                 (void *)(long)namelen,
87                 (void *)n[0], (void *)n[1], (void *)n[2],
88                 (void *)n[3], (void *)n[4]);
89         ktrace_enter(dp->i_dir_trace,
90                 (void *)(long)type, (void *)where,
91                 (void *)a0, (void *)a1, (void *)a2, (void *)a3,
92                 (void *)a4, (void *)a5, (void *)a6, (void *)a7,
93                 (void *)(long)namelen,
94                 (void *)n[0], (void *)n[1], (void *)n[2],
95                 (void *)n[3], (void *)n[4]);
96 }
97
98 void
99 xfs_dir2_trace_args(
100         char            *where,
101         xfs_da_args_t   *args)
102 {
103         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS, where,
104                 (char *)args->name, (int)args->namelen,
105                 (void *)(unsigned long)args->hashval,
106                 (void *)((unsigned long)(args->inumber >> 32)),
107                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
108                 (void *)args->dp, (void *)args->trans,
109                 (void *)(unsigned long)args->justcheck, NULL, NULL);
110 }
111
112 void
113 xfs_dir2_trace_args_b(
114         char            *where,
115         xfs_da_args_t   *args,
116         xfs_dabuf_t     *bp)
117 {
118         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_B, where,
119                 (char *)args->name, (int)args->namelen,
120                 (void *)(unsigned long)args->hashval,
121                 (void *)((unsigned long)(args->inumber >> 32)),
122                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
123                 (void *)args->dp, (void *)args->trans,
124                 (void *)(unsigned long)args->justcheck,
125                 (void *)(bp ? bp->bps[0] : NULL), NULL);
126 }
127
128 void
129 xfs_dir2_trace_args_bb(
130         char            *where,
131         xfs_da_args_t   *args,
132         xfs_dabuf_t     *lbp,
133         xfs_dabuf_t     *dbp)
134 {
135         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BB, where,
136                 (char *)args->name, (int)args->namelen,
137                 (void *)(unsigned long)args->hashval,
138                 (void *)((unsigned long)(args->inumber >> 32)),
139                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
140                 (void *)args->dp, (void *)args->trans,
141                 (void *)(unsigned long)args->justcheck,
142                 (void *)(lbp ? lbp->bps[0] : NULL),
143                 (void *)(dbp ? dbp->bps[0] : NULL));
144 }
145
146 void
147 xfs_dir2_trace_args_bibii(
148         char            *where,
149         xfs_da_args_t   *args,
150         xfs_dabuf_t     *bs,
151         int             ss,
152         xfs_dabuf_t     *bd,
153         int             sd,
154         int             c)
155 {
156         xfs_buf_t       *bpbs = bs ? bs->bps[0] : NULL;
157         xfs_buf_t       *bpbd = bd ? bd->bps[0] : NULL;
158
159         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_BIBII, where,
160                 (char *)args->name, (int)args->namelen,
161                 (void *)args->dp, (void *)args->trans,
162                 (void *)bpbs, (void *)(long)ss, (void *)bpbd, (void *)(long)sd,
163                 (void *)(long)c, NULL);
164 }
165
166 void
167 xfs_dir2_trace_args_db(
168         char            *where,
169         xfs_da_args_t   *args,
170         xfs_dir2_db_t   db,
171         xfs_dabuf_t     *bp)
172 {
173         xfs_buf_t       *dbp = bp ? bp->bps[0] : NULL;
174
175         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_DB, where,
176                 (char *)args->name, (int)args->namelen,
177                 (void *)(unsigned long)args->hashval,
178                 (void *)((unsigned long)(args->inumber >> 32)),
179                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
180                 (void *)args->dp, (void *)args->trans,
181                 (void *)(unsigned long)args->justcheck, (void *)(long)db,
182                 (void *)dbp);
183 }
184
185 void
186 xfs_dir2_trace_args_i(
187         char            *where,
188         xfs_da_args_t   *args,
189         xfs_ino_t       i)
190 {
191         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_I, where,
192                 (char *)args->name, (int)args->namelen,
193                 (void *)(unsigned long)args->hashval,
194                 (void *)((unsigned long)(args->inumber >> 32)),
195                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
196                 (void *)args->dp, (void *)args->trans,
197                 (void *)(unsigned long)args->justcheck,
198                 (void *)((unsigned long)(i >> 32)),
199                 (void *)((unsigned long)(i & 0xFFFFFFFF)));
200 }
201
202 void
203 xfs_dir2_trace_args_s(
204         char            *where,
205         xfs_da_args_t   *args,
206         int             s)
207 {
208         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_S, where,
209                 (char *)args->name, (int)args->namelen,
210                 (void *)(unsigned long)args->hashval,
211                 (void *)((unsigned long)(args->inumber >> 32)),
212                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
213                 (void *)args->dp, (void *)args->trans,
214                 (void *)(unsigned long)args->justcheck, (void *)(long)s, 0);
215 }
216
217 void
218 xfs_dir2_trace_args_sb(
219         char            *where,
220         xfs_da_args_t   *args,
221         int             s,
222         xfs_dabuf_t     *bp)
223 {
224         xfs_buf_t       *dbp = bp ? bp->bps[0] : NULL;
225
226         xfs_dir2_trace_enter(args->dp, XFS_DIR2_KTRACE_ARGS_SB, where,
227                 (char *)args->name, (int)args->namelen,
228                 (void *)(unsigned long)args->hashval,
229                 (void *)((unsigned long)(args->inumber >> 32)),
230                 (void *)((unsigned long)(args->inumber & 0xFFFFFFFF)),
231                 (void *)args->dp, (void *)args->trans,
232                 (void *)(unsigned long)args->justcheck, (void *)(long)s,
233                 (void *)dbp);
234 }
235 #endif  /* XFS_DIR2_TRACE */