197 lines
6.5 KiB
C
197 lines
6.5 KiB
C
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/*
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* Copyright (c) 2000-2002 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
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#ifndef __XFS_ERROR_H__
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#define __XFS_ERROR_H__
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#define prdev(fmt,targ,args...) \
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printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args)
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#define XFS_ERECOVER 1 /* Failure to recover log */
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#define XFS_ELOGSTAT 2 /* Failure to stat log in user space */
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#define XFS_ENOLOGSPACE 3 /* Reservation too large */
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#define XFS_ENOTSUP 4 /* Operation not supported */
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#define XFS_ENOLSN 5 /* Can't find the lsn you asked for */
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#define XFS_ENOTFOUND 6
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#define XFS_ENOTXFS 7 /* Not XFS filesystem */
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#ifdef DEBUG
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#define XFS_ERROR_NTRAP 10
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extern int xfs_etrap[XFS_ERROR_NTRAP];
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extern int xfs_error_trap(int);
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#define XFS_ERROR(e) xfs_error_trap(e)
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#else
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#define XFS_ERROR(e) (e)
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#endif
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struct xfs_mount;
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extern void
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xfs_error_report(
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char *tag,
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int level,
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struct xfs_mount *mp,
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char *fname,
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int linenum,
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inst_t *ra);
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extern void
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xfs_corruption_error(
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char *tag,
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int level,
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struct xfs_mount *mp,
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void *p,
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char *fname,
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int linenum,
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inst_t *ra);
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extern void
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xfs_hex_dump(void *p, int length);
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#define XFS_ERROR_REPORT(e, lvl, mp) \
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xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
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#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
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xfs_corruption_error(e, lvl, mp, mem, \
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__FILE__, __LINE__, __return_address)
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#define XFS_ERRLEVEL_OFF 0
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#define XFS_ERRLEVEL_LOW 1
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#define XFS_ERRLEVEL_HIGH 5
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/*
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* error injection tags - the labels can be anything you want
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* but each tag should have its own unique number
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*/
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#define XFS_ERRTAG_NOERROR 0
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#define XFS_ERRTAG_IFLUSH_1 1
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#define XFS_ERRTAG_IFLUSH_2 2
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#define XFS_ERRTAG_IFLUSH_3 3
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#define XFS_ERRTAG_IFLUSH_4 4
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#define XFS_ERRTAG_IFLUSH_5 5
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#define XFS_ERRTAG_IFLUSH_6 6
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#define XFS_ERRTAG_DA_READ_BUF 7
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#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
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#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
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#define XFS_ERRTAG_ALLOC_READ_AGF 10
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#define XFS_ERRTAG_IALLOC_READ_AGI 11
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#define XFS_ERRTAG_ITOBP_INOTOBP 12
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#define XFS_ERRTAG_IUNLINK 13
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#define XFS_ERRTAG_IUNLINK_REMOVE 14
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#define XFS_ERRTAG_DIR_INO_VALIDATE 15
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#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
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#define XFS_ERRTAG_IODONE_IOERR 17
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#define XFS_ERRTAG_STRATREAD_IOERR 18
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#define XFS_ERRTAG_STRATCMPL_IOERR 19
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#define XFS_ERRTAG_DIOWRITE_IOERR 20
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#define XFS_ERRTAG_BMAPIFORMAT 21
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#define XFS_ERRTAG_MAX 22
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/*
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* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
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*/
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#define XFS_RANDOM_DEFAULT 100
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#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
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#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
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#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
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#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
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#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
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#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
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#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
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#if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
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extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
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void xfs_error_test_init(void);
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#define XFS_NUM_INJECT_ERROR 10
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#ifdef __ANSI_CPP__
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#define XFS_TEST_ERROR(expr, mp, tag, rf) \
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((expr) || \
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xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \
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(rf)))
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#else
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#define XFS_TEST_ERROR(expr, mp, tag, rf) \
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((expr) || \
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xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
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(rf)))
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#endif /* __ANSI_CPP__ */
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int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
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int xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
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int xfs_errortag_clearall(xfs_mount_t *mp);
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int xfs_errortag_clearall_umount(int64_t fsid, char *fsname,
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int loud);
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#else
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#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
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#define xfs_errortag_add(tag, mp) (ENOSYS)
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#define xfs_errortag_clearall(mp) (ENOSYS)
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#endif /* (DEBUG || INDUCE_IO_ERROR) */
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/*
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* XFS panic tags -- allow a call to xfs_cmn_err() be turned into
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* a panic by setting xfs_panic_mask in a
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* sysctl. update xfs_max[XFS_PARAM] if
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* more are added.
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*/
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#define XFS_NO_PTAG 0
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#define XFS_PTAG_IFLUSH 0x00000001
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#define XFS_PTAG_LOGRES 0x00000002
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#define XFS_PTAG_AILDELETE 0x00000004
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#define XFS_PTAG_ERROR_REPORT 0x00000008
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#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
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#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
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#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
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struct xfs_mount;
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/* PRINTFLIKE4 */
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void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
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char *fmt, ...);
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/* PRINTFLIKE3 */
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void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
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#endif /* __XFS_ERROR_H__ */
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