diff options
Diffstat (limited to 'fs/xfs/xfs_error.c')
| -rw-r--r-- | fs/xfs/xfs_error.c | 268 |
1 files changed, 73 insertions, 195 deletions
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index dcd3fdd5c1f..edac5b057d2 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -1,54 +1,28 @@ /* - * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. + * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - #include "xfs.h" - -#include "xfs_macros.h" -#include "xfs_types.h" -#include "xfs_inum.h" -#include "xfs_log.h" +#include "xfs_format.h" +#include "xfs_fs.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" #include "xfs_sb.h" -#include "xfs_trans.h" -#include "xfs_dir.h" -#include "xfs_dir2.h" -#include "xfs_dmapi.h" +#include "xfs_ag.h" #include "xfs_mount.h" -#include "xfs_bmap_btree.h" -#include "xfs_attr_sf.h" -#include "xfs_dir_sf.h" -#include "xfs_dir2_sf.h" -#include "xfs_dinode.h" -#include "xfs_inode.h" -#include "xfs_utils.h" #include "xfs_error.h" #ifdef DEBUG @@ -69,28 +43,17 @@ xfs_error_trap(int e) break; if (e != xfs_etrap[i]) continue; - cmn_err(CE_NOTE, "xfs_error_trap: error %d", e); - debug_stop_all_cpus((void *)-1LL); + xfs_notice(NULL, "%s: error %d", __func__, e); BUG(); break; } return e; } -#endif - -#if (defined(DEBUG) || defined(INDUCE_IO_ERROR)) int xfs_etest[XFS_NUM_INJECT_ERROR]; int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR]; char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR]; - -void -xfs_error_test_init(void) -{ - memset(xfs_etest, 0, sizeof(xfs_etest)); - memset(xfs_etest_fsid, 0, sizeof(xfs_etest_fsid)); - memset(xfs_etest_fsname, 0, sizeof(xfs_etest_fsname)); -} +int xfs_error_test_active; int xfs_error_test(int error_tag, int *fsidp, char *expression, @@ -99,14 +62,14 @@ xfs_error_test(int error_tag, int *fsidp, char *expression, int i; int64_t fsid; - if (random() % randfactor) + if (prandom_u32() % randfactor) return 0; memcpy(&fsid, fsidp, sizeof(xfs_fsid_t)); for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { if (xfs_etest[i] == error_tag && xfs_etest_fsid[i] == fsid) { - cmn_err(CE_WARN, + xfs_warn(NULL, "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"", expression, file, line, xfs_etest_fsname[i]); return 1; @@ -127,201 +90,116 @@ xfs_errortag_add(int error_tag, xfs_mount_t *mp) for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) { - cmn_err(CE_WARN, "XFS error tag #%d on", error_tag); + xfs_warn(mp, "error tag #%d on", error_tag); return 0; } } for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { if (xfs_etest[i] == 0) { - cmn_err(CE_WARN, "Turned on XFS error tag #%d", + xfs_warn(mp, "Turned on XFS error tag #%d", error_tag); xfs_etest[i] = error_tag; xfs_etest_fsid[i] = fsid; len = strlen(mp->m_fsname); xfs_etest_fsname[i] = kmem_alloc(len + 1, KM_SLEEP); strcpy(xfs_etest_fsname[i], mp->m_fsname); + xfs_error_test_active++; return 0; } } - cmn_err(CE_WARN, "error tag overflow, too many turned on"); + xfs_warn(mp, "error tag overflow, too many turned on"); return 1; } int -xfs_errortag_clear(int error_tag, xfs_mount_t *mp) +xfs_errortag_clearall(xfs_mount_t *mp, int loud) { - int i; int64_t fsid; + int cleared = 0; + int i; memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); - for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { - if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) { - xfs_etest[i] = 0; - xfs_etest_fsid[i] = 0LL; - kmem_free(xfs_etest_fsname[i], - strlen(xfs_etest_fsname[i]) + 1); - xfs_etest_fsname[i] = NULL; - cmn_err(CE_WARN, "Cleared XFS error tag #%d", - error_tag); - return 0; - } - } - - cmn_err(CE_WARN, "XFS error tag %d not on", error_tag); - - return 1; -} - -int -xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud) -{ - int i; - int cleared = 0; for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) && xfs_etest[i] != 0) { cleared = 1; - cmn_err(CE_WARN, "Clearing XFS error tag #%d", + xfs_warn(mp, "Clearing XFS error tag #%d", xfs_etest[i]); xfs_etest[i] = 0; xfs_etest_fsid[i] = 0LL; - kmem_free(xfs_etest_fsname[i], - strlen(xfs_etest_fsname[i]) + 1); + kmem_free(xfs_etest_fsname[i]); xfs_etest_fsname[i] = NULL; + xfs_error_test_active--; } } if (loud || cleared) - cmn_err(CE_WARN, - "Cleared all XFS error tags for filesystem \"%s\"", - fsname); + xfs_warn(mp, "Cleared all XFS error tags for filesystem"); return 0; } - -int -xfs_errortag_clearall(xfs_mount_t *mp) -{ - int64_t fsid; - - memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); - - return xfs_errortag_clearall_umount(fsid, mp->m_fsname, 1); -} -#endif /* DEBUG || INDUCE_IO_ERROR */ - -static void -xfs_fs_vcmn_err(int level, xfs_mount_t *mp, char *fmt, va_list ap) -{ - if (mp != NULL) { - char *newfmt; - int len = 16 + mp->m_fsname_len + strlen(fmt); - - newfmt = kmem_alloc(len, KM_SLEEP); - sprintf(newfmt, "Filesystem \"%s\": %s", mp->m_fsname, fmt); - icmn_err(level, newfmt, ap); - kmem_free(newfmt, len); - } else { - icmn_err(level, fmt, ap); - } -} +#endif /* DEBUG */ void -xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...) +xfs_error_report( + const char *tag, + int level, + struct xfs_mount *mp, + const char *filename, + int linenum, + inst_t *ra) { - va_list ap; + if (level <= xfs_error_level) { + xfs_alert_tag(mp, XFS_PTAG_ERROR_REPORT, + "Internal error %s at line %d of file %s. Caller %pF", + tag, linenum, filename, ra); - va_start(ap, fmt); - xfs_fs_vcmn_err(level, mp, fmt, ap); - va_end(ap); + xfs_stack_trace(); + } } void -xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...) +xfs_corruption_error( + const char *tag, + int level, + struct xfs_mount *mp, + void *p, + const char *filename, + int linenum, + inst_t *ra) { - va_list ap; - -#ifdef DEBUG - xfs_panic_mask |= XFS_PTAG_SHUTDOWN_CORRUPT; -#endif - - if (xfs_panic_mask && (xfs_panic_mask & panic_tag) - && (level & CE_ALERT)) { - level &= ~CE_ALERT; - level |= CE_PANIC; - cmn_err(CE_ALERT, "XFS: Transforming an alert into a BUG."); - } - va_start(ap, fmt); - xfs_fs_vcmn_err(level, mp, fmt, ap); - va_end(ap); + if (level <= xfs_error_level) + xfs_hex_dump(p, 64); + xfs_error_report(tag, level, mp, filename, linenum, ra); + xfs_alert(mp, "Corruption detected. Unmount and run xfs_repair"); } +/* + * Warnings specifically for verifier errors. Differentiate CRC vs. invalid + * values, and omit the stack trace unless the error level is tuned high. + */ void -xfs_error_report( - char *tag, - int level, - xfs_mount_t *mp, - char *fname, - int linenum, - inst_t *ra) +xfs_verifier_error( + struct xfs_buf *bp) { - if (level <= xfs_error_level) { - xfs_cmn_err(XFS_PTAG_ERROR_REPORT, - CE_ALERT, mp, - "XFS internal error %s at line %d of file %s. Caller 0x%p\n", - tag, linenum, fname, ra); - - xfs_stack_trace(); - } -} + struct xfs_mount *mp = bp->b_target->bt_mount; -STATIC void -xfs_hex_dump(void *p, int length) -{ - __uint8_t *uip = (__uint8_t*)p; - int i; - char sbuf[128], *s; + xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx", + bp->b_error == EFSBADCRC ? "CRC error" : "corruption", + __return_address, bp->b_bn); - s = sbuf; - *s = '\0'; - for (i=0; i<length; i++, uip++) { - if ((i % 16) == 0) { - if (*s != '\0') - cmn_err(CE_ALERT, "%s\n", sbuf); - s = sbuf; - sprintf(s, "0x%x: ", i); - while( *s != '\0') - s++; - } - sprintf(s, "%02x ", *uip); + xfs_alert(mp, "Unmount and run xfs_repair"); - /* - * the kernel sprintf is a void; user sprintf returns - * the sprintf'ed string's length. Find the new end- - * of-string - */ - while( *s != '\0') - s++; + if (xfs_error_level >= XFS_ERRLEVEL_LOW) { + xfs_alert(mp, "First 64 bytes of corrupted metadata buffer:"); + xfs_hex_dump(xfs_buf_offset(bp, 0), 64); } - cmn_err(CE_ALERT, "%s\n", sbuf); -} -void -xfs_corruption_error( - char *tag, - int level, - xfs_mount_t *mp, - void *p, - char *fname, - int linenum, - inst_t *ra) -{ - if (level <= xfs_error_level) - xfs_hex_dump(p, 16); - xfs_error_report(tag, level, mp, fname, linenum, ra); + if (xfs_error_level >= XFS_ERRLEVEL_HIGH) + xfs_stack_trace(); } |
