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);