From fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Wed, 23 Aug 2017 14:45:25 -0500 Subject: Initial import of modified Linux 2.6.28 tree Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y --- fs/xfs/xfs_error.h | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 176 insertions(+) create mode 100644 fs/xfs/xfs_error.h (limited to 'fs/xfs/xfs_error.h') diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h new file mode 100644 index 0000000..11543f1 --- /dev/null +++ b/fs/xfs/xfs_error.h @@ -0,0 +1,176 @@ +/* + * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. + * All Rights Reserved. + * + * 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. See the + * GNU General Public License for more details. + * + * 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 + */ +#ifndef __XFS_ERROR_H__ +#define __XFS_ERROR_H__ + +#ifdef DEBUG +#define XFS_ERROR_NTRAP 10 +extern int xfs_etrap[XFS_ERROR_NTRAP]; +extern int xfs_error_trap(int); +#define XFS_ERROR(e) xfs_error_trap(e) +#else +#define XFS_ERROR(e) (e) +#endif + +struct xfs_mount; + +extern void xfs_error_report(char *tag, int level, struct xfs_mount *mp, + char *fname, int linenum, inst_t *ra); +extern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp, + void *p, char *fname, int linenum, inst_t *ra); + +#define XFS_ERROR_REPORT(e, lvl, mp) \ + xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) +#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ + xfs_corruption_error(e, lvl, mp, mem, \ + __FILE__, __LINE__, __return_address) + +#define XFS_ERRLEVEL_OFF 0 +#define XFS_ERRLEVEL_LOW 1 +#define XFS_ERRLEVEL_HIGH 5 + +/* + * Macros to set EFSCORRUPTED & return/branch. + */ +#define XFS_WANT_CORRUPTED_GOTO(x,l) \ + { \ + int fs_is_ok = (x); \ + ASSERT(fs_is_ok); \ + if (unlikely(!fs_is_ok)) { \ + XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ + XFS_ERRLEVEL_LOW, NULL); \ + error = XFS_ERROR(EFSCORRUPTED); \ + goto l; \ + } \ + } + +#define XFS_WANT_CORRUPTED_RETURN(x) \ + { \ + int fs_is_ok = (x); \ + ASSERT(fs_is_ok); \ + if (unlikely(!fs_is_ok)) { \ + XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ + XFS_ERRLEVEL_LOW, NULL); \ + return XFS_ERROR(EFSCORRUPTED); \ + } \ + } + +/* + * error injection tags - the labels can be anything you want + * but each tag should have its own unique number + */ + +#define XFS_ERRTAG_NOERROR 0 +#define XFS_ERRTAG_IFLUSH_1 1 +#define XFS_ERRTAG_IFLUSH_2 2 +#define XFS_ERRTAG_IFLUSH_3 3 +#define XFS_ERRTAG_IFLUSH_4 4 +#define XFS_ERRTAG_IFLUSH_5 5 +#define XFS_ERRTAG_IFLUSH_6 6 +#define XFS_ERRTAG_DA_READ_BUF 7 +#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8 +#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9 +#define XFS_ERRTAG_ALLOC_READ_AGF 10 +#define XFS_ERRTAG_IALLOC_READ_AGI 11 +#define XFS_ERRTAG_ITOBP_INOTOBP 12 +#define XFS_ERRTAG_IUNLINK 13 +#define XFS_ERRTAG_IUNLINK_REMOVE 14 +#define XFS_ERRTAG_DIR_INO_VALIDATE 15 +#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16 +#define XFS_ERRTAG_IODONE_IOERR 17 +#define XFS_ERRTAG_STRATREAD_IOERR 18 +#define XFS_ERRTAG_STRATCMPL_IOERR 19 +#define XFS_ERRTAG_DIOWRITE_IOERR 20 +#define XFS_ERRTAG_BMAPIFORMAT 21 +#define XFS_ERRTAG_MAX 22 + +/* + * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. + */ +#define XFS_RANDOM_DEFAULT 100 +#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT +#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT +#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4) +#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT +#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT +#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT +#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT +#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT +#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10) +#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10) +#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) +#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) +#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT + +#ifdef DEBUG +extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); + +#define XFS_NUM_INJECT_ERROR 10 +#define XFS_TEST_ERROR(expr, mp, tag, rf) \ + ((expr) || \ + xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ + (rf))) + +extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); +extern int xfs_errortag_clearall(xfs_mount_t *mp, int loud); +#else +#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) +#define xfs_errortag_add(tag, mp) (ENOSYS) +#define xfs_errortag_clearall(mp, loud) (ENOSYS) +#endif /* DEBUG */ + +/* + * XFS panic tags -- allow a call to xfs_cmn_err() be turned into + * a panic by setting xfs_panic_mask in a + * sysctl. update xfs_max[XFS_PARAM] if + * more are added. + */ +#define XFS_NO_PTAG 0 +#define XFS_PTAG_IFLUSH 0x00000001 +#define XFS_PTAG_LOGRES 0x00000002 +#define XFS_PTAG_AILDELETE 0x00000004 +#define XFS_PTAG_ERROR_REPORT 0x00000008 +#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 +#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 +#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 +#define XFS_PTAG_FSBLOCK_ZERO 0x00000080 + +struct xfs_mount; +/* PRINTFLIKE4 */ +extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, + char *fmt, ...); +/* PRINTFLIKE3 */ +extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); + +extern void xfs_hex_dump(void *p, int length); + +#define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \ + xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) + +#define xfs_fs_mount_cmn_err(f, fmt, args...) \ + ((f & XFS_MFSI_QUIET)? (void)0 : cmn_err(CE_WARN, "XFS: " fmt, ## args)) + +#endif /* __XFS_ERROR_H__ */ -- cgit v1.1