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
19 #include "xfs_format.h"
21 #include "xfs_log_format.h"
22 #include "xfs_trans_resv.h"
25 #include "xfs_mount.h"
26 #include "xfs_error.h"
30 int xfs_etrap[XFS_ERROR_NTRAP] = {
41 for (i = 0; i < XFS_ERROR_NTRAP; i++) {
42 if (xfs_etrap[i] == 0)
44 if (e != xfs_etrap[i])
46 xfs_notice(NULL, "%s: error %d", __func__, e);
53 int xfs_etest[XFS_NUM_INJECT_ERROR];
54 int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR];
55 char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR];
56 int xfs_error_test_active;
59 xfs_error_test(int error_tag, int *fsidp, char *expression,
60 int line, char *file, unsigned long randfactor)
65 if (prandom_u32() % randfactor)
68 memcpy(&fsid, fsidp, sizeof(xfs_fsid_t));
70 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
71 if (xfs_etest[i] == error_tag && xfs_etest_fsid[i] == fsid) {
73 "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"",
74 expression, file, line, xfs_etest_fsname[i]);
83 xfs_errortag_add(int error_tag, xfs_mount_t *mp)
89 memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t));
91 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
92 if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) {
93 xfs_warn(mp, "error tag #%d on", error_tag);
98 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
99 if (xfs_etest[i] == 0) {
100 xfs_warn(mp, "Turned on XFS error tag #%d",
102 xfs_etest[i] = error_tag;
103 xfs_etest_fsid[i] = fsid;
104 len = strlen(mp->m_fsname);
105 xfs_etest_fsname[i] = kmem_alloc(len + 1, KM_SLEEP);
106 strcpy(xfs_etest_fsname[i], mp->m_fsname);
107 xfs_error_test_active++;
112 xfs_warn(mp, "error tag overflow, too many turned on");
118 xfs_errortag_clearall(xfs_mount_t *mp, int loud)
124 memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t));
127 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
128 if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) &&
131 xfs_warn(mp, "Clearing XFS error tag #%d",
134 xfs_etest_fsid[i] = 0LL;
135 kmem_free(xfs_etest_fsname[i]);
136 xfs_etest_fsname[i] = NULL;
137 xfs_error_test_active--;
142 xfs_warn(mp, "Cleared all XFS error tags for filesystem");
152 struct xfs_mount *mp,
153 const char *filename,
157 if (level <= xfs_error_level) {
158 xfs_alert_tag(mp, XFS_PTAG_ERROR_REPORT,
159 "Internal error %s at line %d of file %s. Caller 0x%p",
160 tag, linenum, filename, ra);
167 xfs_corruption_error(
170 struct xfs_mount *mp,
172 const char *filename,
176 if (level <= xfs_error_level)
178 xfs_error_report(tag, level, mp, filename, linenum, ra);
179 xfs_alert(mp, "Corruption detected. Unmount and run xfs_repair");