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fs/xfs/xfs_error.c
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/* |
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* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. * All Rights Reserved. |
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* |
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* This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation. * |
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* 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. |
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* |
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* 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 |
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*/ |
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#include "xfs.h" |
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#include "xfs_fs.h" |
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#include "xfs_types.h" |
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#include "xfs_log.h" |
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#include "xfs_inum.h" |
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#include "xfs_trans.h" |
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#include "xfs_sb.h" |
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#include "xfs_ag.h" |
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#include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" |
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#include "xfs_dir2_sf.h" |
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#include "xfs_attr_sf.h" |
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#include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_utils.h" #include "xfs_error.h" #ifdef DEBUG int xfs_etrap[XFS_ERROR_NTRAP] = { 0, }; int xfs_error_trap(int e) { int i; if (!e) return 0; for (i = 0; i < XFS_ERROR_NTRAP; i++) { if (xfs_etrap[i] == 0) break; if (e != xfs_etrap[i]) continue; cmn_err(CE_NOTE, "xfs_error_trap: error %d", e); |
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BUG(); break; } return e; } |
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int xfs_etest[XFS_NUM_INJECT_ERROR]; int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR]; char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR]; |
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int xfs_error_test(int error_tag, int *fsidp, char *expression, int line, char *file, unsigned long randfactor) { int i; int64_t fsid; |
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if (random32() % randfactor) |
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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, "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"", expression, file, line, xfs_etest_fsname[i]); return 1; } } return 0; } int xfs_errortag_add(int error_tag, xfs_mount_t *mp) { int i; int len; int64_t fsid; 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) { cmn_err(CE_WARN, "XFS 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", 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); return 0; } } cmn_err(CE_WARN, "error tag overflow, too many turned on"); return 1; } int |
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xfs_errortag_clearall(xfs_mount_t *mp, int loud) |
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{ |
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int64_t fsid; |
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int cleared = 0; |
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int i; memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); |
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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_etest[i]); xfs_etest[i] = 0; xfs_etest_fsid[i] = 0LL; |
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kmem_free(xfs_etest_fsname[i]); |
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xfs_etest_fsname[i] = NULL; } } if (loud || cleared) cmn_err(CE_WARN, "Cleared all XFS error tags for filesystem \"%s\"", |
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mp->m_fsname); |
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return 0; } |
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#endif /* DEBUG */ |
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void xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...) { va_list ap; va_start(ap, fmt); xfs_fs_vcmn_err(level, mp, fmt, ap); va_end(ap); } void xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...) { 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); } void xfs_error_report( char *tag, int level, xfs_mount_t *mp, char *fname, int linenum, inst_t *ra) { 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 ", tag, linenum, fname, ra); xfs_stack_trace(); } } |
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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); } |