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"
26 #include "xfs_dmapi.h"
27 #include "xfs_mount.h"
28 #include "xfs_bmap_btree.h"
29 #include "xfs_dir2_sf.h"
30 #include "xfs_attr_sf.h"
31 #include "xfs_dinode.h"
32 #include "xfs_inode.h"
33 #include "xfs_utils.h"
34 #include "xfs_error.h"
38 int xfs_etrap[XFS_ERROR_NTRAP] = {
49 for (i = 0; i < XFS_ERROR_NTRAP; i++) {
50 if (xfs_etrap[i] == 0)
52 if (e != xfs_etrap[i])
54 cmn_err(CE_NOTE, "xfs_error_trap: error %d", e);
62 #if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
64 int xfs_etest[XFS_NUM_INJECT_ERROR];
65 int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR];
66 char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR];
69 xfs_error_test_init(void)
71 memset(xfs_etest, 0, sizeof(xfs_etest));
72 memset(xfs_etest_fsid, 0, sizeof(xfs_etest_fsid));
73 memset(xfs_etest_fsname, 0, sizeof(xfs_etest_fsname));
77 xfs_error_test(int error_tag, int *fsidp, char *expression,
78 int line, char *file, unsigned long randfactor)
83 if (random32() % randfactor)
86 memcpy(&fsid, fsidp, sizeof(xfs_fsid_t));
88 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
89 if (xfs_etest[i] == error_tag && xfs_etest_fsid[i] == fsid) {
91 "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"",
92 expression, file, line, xfs_etest_fsname[i]);
101 xfs_errortag_add(int error_tag, xfs_mount_t *mp)
107 memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t));
109 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
110 if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) {
111 cmn_err(CE_WARN, "XFS error tag #%d on", error_tag);
116 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
117 if (xfs_etest[i] == 0) {
118 cmn_err(CE_WARN, "Turned on XFS error tag #%d",
120 xfs_etest[i] = error_tag;
121 xfs_etest_fsid[i] = fsid;
122 len = strlen(mp->m_fsname);
123 xfs_etest_fsname[i] = kmem_alloc(len + 1, KM_SLEEP);
124 strcpy(xfs_etest_fsname[i], mp->m_fsname);
129 cmn_err(CE_WARN, "error tag overflow, too many turned on");
135 xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud)
140 for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {
141 if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) &&
144 cmn_err(CE_WARN, "Clearing XFS error tag #%d",
147 xfs_etest_fsid[i] = 0LL;
148 kmem_free(xfs_etest_fsname[i],
149 strlen(xfs_etest_fsname[i]) + 1);
150 xfs_etest_fsname[i] = NULL;
156 "Cleared all XFS error tags for filesystem \"%s\"",
163 xfs_errortag_clearall(xfs_mount_t *mp)
167 memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t));
169 return xfs_errortag_clearall_umount(fsid, mp->m_fsname, 1);
171 #endif /* DEBUG || INDUCE_IO_ERROR */
174 xfs_fs_vcmn_err(int level, xfs_mount_t *mp, char *fmt, va_list ap)
178 int len = 16 + mp->m_fsname_len + strlen(fmt);
180 newfmt = kmem_alloc(len, KM_SLEEP);
181 sprintf(newfmt, "Filesystem \"%s\": %s", mp->m_fsname, fmt);
182 icmn_err(level, newfmt, ap);
183 kmem_free(newfmt, len);
185 icmn_err(level, fmt, ap);
190 xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...)
195 xfs_fs_vcmn_err(level, mp, fmt, ap);
200 xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...)
205 xfs_panic_mask |= XFS_PTAG_SHUTDOWN_CORRUPT;
208 if (xfs_panic_mask && (xfs_panic_mask & panic_tag)
209 && (level & CE_ALERT)) {
212 cmn_err(CE_ALERT, "XFS: Transforming an alert into a BUG.");
215 xfs_fs_vcmn_err(level, mp, fmt, ap);
228 if (level <= xfs_error_level) {
229 xfs_cmn_err(XFS_PTAG_ERROR_REPORT,
231 "XFS internal error %s at line %d of file %s. Caller 0x%p\n",
232 tag, linenum, fname, ra);
239 xfs_hex_dump(void *p, int length)
241 __uint8_t *uip = (__uint8_t*)p;
247 for (i=0; i<length; i++, uip++) {
250 cmn_err(CE_ALERT, "%s\n", sbuf);
252 sprintf(s, "0x%x: ", i);
256 sprintf(s, "%02x ", *uip);
259 * the kernel sprintf is a void; user sprintf returns
260 * the sprintf'ed string's length. Find the new end-
266 cmn_err(CE_ALERT, "%s\n", sbuf);
270 xfs_corruption_error(
279 if (level <= xfs_error_level)
281 xfs_error_report(tag, level, mp, fname, linenum, ra);