2 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "xfs_types.h"
23 #include "xfs_trans.h"
27 #include "xfs_dmapi.h"
28 #include "xfs_mount.h"
29 #include "xfs_bmap_btree.h"
30 #include "xfs_dir_sf.h"
31 #include "xfs_dir2_sf.h"
32 #include "xfs_attr_sf.h"
33 #include "xfs_dinode.h"
34 #include "xfs_inode.h"
35 #include "xfs_utils.h"
36 #include "xfs_error.h"
40 int xfs_etrap
[XFS_ERROR_NTRAP
] = {
51 for (i
= 0; i
< XFS_ERROR_NTRAP
; i
++) {
52 if (xfs_etrap
[i
] == 0)
54 if (e
!= xfs_etrap
[i
])
56 cmn_err(CE_NOTE
, "xfs_error_trap: error %d", e
);
57 debug_stop_all_cpus((void *)-1LL);
65 #if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
67 int xfs_etest
[XFS_NUM_INJECT_ERROR
];
68 int64_t xfs_etest_fsid
[XFS_NUM_INJECT_ERROR
];
69 char * xfs_etest_fsname
[XFS_NUM_INJECT_ERROR
];
72 xfs_error_test_init(void)
74 memset(xfs_etest
, 0, sizeof(xfs_etest
));
75 memset(xfs_etest_fsid
, 0, sizeof(xfs_etest_fsid
));
76 memset(xfs_etest_fsname
, 0, sizeof(xfs_etest_fsname
));
80 xfs_error_test(int error_tag
, int *fsidp
, char *expression
,
81 int line
, char *file
, unsigned long randfactor
)
86 if (random() % randfactor
)
89 memcpy(&fsid
, fsidp
, sizeof(xfs_fsid_t
));
91 for (i
= 0; i
< XFS_NUM_INJECT_ERROR
; i
++) {
92 if (xfs_etest
[i
] == error_tag
&& xfs_etest_fsid
[i
] == fsid
) {
94 "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"",
95 expression
, file
, line
, xfs_etest_fsname
[i
]);
104 xfs_errortag_add(int error_tag
, xfs_mount_t
*mp
)
110 memcpy(&fsid
, mp
->m_fixedfsid
, sizeof(xfs_fsid_t
));
112 for (i
= 0; i
< XFS_NUM_INJECT_ERROR
; i
++) {
113 if (xfs_etest_fsid
[i
] == fsid
&& xfs_etest
[i
] == error_tag
) {
114 cmn_err(CE_WARN
, "XFS error tag #%d on", error_tag
);
119 for (i
= 0; i
< XFS_NUM_INJECT_ERROR
; i
++) {
120 if (xfs_etest
[i
] == 0) {
121 cmn_err(CE_WARN
, "Turned on XFS error tag #%d",
123 xfs_etest
[i
] = error_tag
;
124 xfs_etest_fsid
[i
] = fsid
;
125 len
= strlen(mp
->m_fsname
);
126 xfs_etest_fsname
[i
] = kmem_alloc(len
+ 1, KM_SLEEP
);
127 strcpy(xfs_etest_fsname
[i
], mp
->m_fsname
);
132 cmn_err(CE_WARN
, "error tag overflow, too many turned on");
138 xfs_errortag_clear(int error_tag
, xfs_mount_t
*mp
)
143 memcpy(&fsid
, mp
->m_fixedfsid
, sizeof(xfs_fsid_t
));
145 for (i
= 0; i
< XFS_NUM_INJECT_ERROR
; i
++) {
146 if (xfs_etest_fsid
[i
] == fsid
&& xfs_etest
[i
] == error_tag
) {
148 xfs_etest_fsid
[i
] = 0LL;
149 kmem_free(xfs_etest_fsname
[i
],
150 strlen(xfs_etest_fsname
[i
]) + 1);
151 xfs_etest_fsname
[i
] = NULL
;
152 cmn_err(CE_WARN
, "Cleared XFS error tag #%d",
158 cmn_err(CE_WARN
, "XFS error tag %d not on", error_tag
);
164 xfs_errortag_clearall_umount(int64_t fsid
, char *fsname
, int loud
)
169 for (i
= 0; i
< XFS_NUM_INJECT_ERROR
; i
++) {
170 if ((fsid
== 0LL || xfs_etest_fsid
[i
] == fsid
) &&
173 cmn_err(CE_WARN
, "Clearing XFS error tag #%d",
176 xfs_etest_fsid
[i
] = 0LL;
177 kmem_free(xfs_etest_fsname
[i
],
178 strlen(xfs_etest_fsname
[i
]) + 1);
179 xfs_etest_fsname
[i
] = NULL
;
185 "Cleared all XFS error tags for filesystem \"%s\"",
192 xfs_errortag_clearall(xfs_mount_t
*mp
)
196 memcpy(&fsid
, mp
->m_fixedfsid
, sizeof(xfs_fsid_t
));
198 return xfs_errortag_clearall_umount(fsid
, mp
->m_fsname
, 1);
200 #endif /* DEBUG || INDUCE_IO_ERROR */
203 xfs_fs_vcmn_err(int level
, xfs_mount_t
*mp
, char *fmt
, va_list ap
)
207 int len
= 16 + mp
->m_fsname_len
+ strlen(fmt
);
209 newfmt
= kmem_alloc(len
, KM_SLEEP
);
210 sprintf(newfmt
, "Filesystem \"%s\": %s", mp
->m_fsname
, fmt
);
211 icmn_err(level
, newfmt
, ap
);
212 kmem_free(newfmt
, len
);
214 icmn_err(level
, fmt
, ap
);
219 xfs_fs_cmn_err(int level
, xfs_mount_t
*mp
, char *fmt
, ...)
224 xfs_fs_vcmn_err(level
, mp
, fmt
, ap
);
229 xfs_cmn_err(int panic_tag
, int level
, xfs_mount_t
*mp
, char *fmt
, ...)
234 xfs_panic_mask
|= XFS_PTAG_SHUTDOWN_CORRUPT
;
237 if (xfs_panic_mask
&& (xfs_panic_mask
& panic_tag
)
238 && (level
& CE_ALERT
)) {
241 cmn_err(CE_ALERT
, "XFS: Transforming an alert into a BUG.");
244 xfs_fs_vcmn_err(level
, mp
, fmt
, ap
);
257 if (level
<= xfs_error_level
) {
258 xfs_cmn_err(XFS_PTAG_ERROR_REPORT
,
260 "XFS internal error %s at line %d of file %s. Caller 0x%p\n",
261 tag
, linenum
, fname
, ra
);
268 xfs_hex_dump(void *p
, int length
)
270 __uint8_t
*uip
= (__uint8_t
*)p
;
276 for (i
=0; i
<length
; i
++, uip
++) {
279 cmn_err(CE_ALERT
, "%s\n", sbuf
);
281 sprintf(s
, "0x%x: ", i
);
285 sprintf(s
, "%02x ", *uip
);
288 * the kernel sprintf is a void; user sprintf returns
289 * the sprintf'ed string's length. Find the new end-
295 cmn_err(CE_ALERT
, "%s\n", sbuf
);
299 xfs_corruption_error(
308 if (level
<= xfs_error_level
)
310 xfs_error_report(tag
, level
, mp
, fname
, linenum
, ra
);