xfsck.h

在Linux内核从2.4升级到2.6时需要升级的软件包

/*
 *   Copyright (c) International Business Machines Corp., 2000-2002
 *
 *   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; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will 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 to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
#ifndef H_XFSCK
#define H_XFSCK

#include "jfs_types.h"
#include "jfs_dmap.h"

/* Stuff for handling extended attributes. */
#ifndef OS2

struct FEA {			/* fea */
	uint8_t fEA;		/* flags                              */
	uint8_t cbName;		/* name length not including NULL */
	uint16_t cbValue;	/* value length */
};

/* flags for FEA.fEA */
#define FEA_NEEDEA         0x80	/* need EA bit */

struct FEALIST {		/* feal */
	uint32_t cbList;	/* total bytes of structure including full list */
	struct FEA list[1];	/* variable length FEA structures */
};

#define ERROR_EA_LIST_INCONSISTENT  255

#endif

extern int jfs_ValidateFEAList(struct FEALIST *, int, unsigned long *);

/* ***** IMPORTANT ***** IMPORTANT ***** IMPORTANT ***** IMPORTANT *****
 *
 * fsck_first_msgid
 * 	MUST be set to the first message id for fsck, according
 *	to jfs.txt.  Will be used to locate the text for any
 *	message which is displayed in the local language.
 *
 * fsck_highest_msgid_defined
 *	MUST be maintained in synch with the
 * 	message id constants (defined in fsckmsgc.h) since the
 * 	message text array and the message attributes array (declared
 * 	in fsckmsgp.h) are both dimensioned using it.
 *
 * ***** IMPORTANT ***** IMPORTANT ***** IMPORTANT ***** IMPORTANT ***** */

#define fsck_msgid_offset           50
#define fsck_highest_msgid_defined 599

#define MAXPARMLEN 64

#define fscklog_var_text 1
#define fscklog_literal  2

 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
  *
  * The following are used to access the columns of
  * MsgProtocol[][], which is defined in fsckmsgp.h
  *
  */
#define MP_MSGLVL     0
#define MP_MSGFILE    1

 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
  *
  * The following are the possible values effective fsck
  * messaging level and for implied response level.
  *
  */

/*
 * special cases (must not match any other constants in the table)
 */
#define fsck_hrtbt     130
#define fsck_txtins    131

/*
 * The lowest messaging level (dictated by input parms) at which
 * the message is displayed.
 */
#define fsck_quiet       2
#define fsck_verbose     8
#define fsck_debug      32

/*
 * The message file to use for local language lookup
 *
 *   These are determined by the array message_file_name[]
 *   in messages.c
 */
#define no_msgfile      -1
#define jfs_msgfile      1

 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    * The following are used for reporting storage allocation
    * failures.
  */
void report_dynstg_error(void);

#define  dynstg_unknown          0

/* the actions */

#define dynstg_allocation        1
#define dynstg_initialization    2

/* the objects */

#define dynstg_unknown_object    0
#define dynstg_blkmap            1
#define dynstg_blkmap_buf        2
#define dynstg_blkmap_hdr        3
#define dynstg_inomap            4
#define dynstg_fer               5
#define dynstg_wspext            6
#define dynstg_pathbuffer        7
#define dynstg_inoextrec         8
#define dynstg_inorec            9
#define dynstg_dtreeQ_elem      10
#define dynstg_treeQ_elem       11
#define dynstg_ait_map          12
#define dynstg_fsit_map         13
#define dynstg_dupall_blkrec    14
#define dynstg_dupall_inorec    15
#define dynstg_agg_agtbl        16
#define dynstg_agg_iagtbl       17
#define dynstg_fs_agtbl         18
#define dynstg_fs_iagtbl        19
#define dynstg_iobufs           20
#define dynstg_eaiobuf          21
#define dynstg_tmpinoiobuf      22
#define dynstg_recondnodebuf    23
#define dynstg_xtreebuf         24
#define dynstg_xtreepagebuf     25
#define dynstg_treeStack_elem   26
#define dynstg_fsckcbblbuf1     27
#define dynstg_fsckcbblbuf2     28
#define dynstg_inotbl           29
#define dynstg_inoexttbl        30
#define dynstg_fsit_iagtbl      31
#define dynstg_fsit_inoexttbl   32
#define dynstg_fsit_inotbl      33
#define dynstg_ait_inotbl       34

/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
 *
 * used during blockmap verify/rebuild
 *
 */
struct fsck_bmap_record {
	char eyecatcher[8];
	int64_t total_blocks;
	int64_t free_blocks;
	int8_t ctl_fctl_error;
	int8_t ctl_other_error;
	char rsvd0[2];

	char bmpctlinf_eyecatcher[8];
	struct dbmap *bmpctl_bufptr;
	int64_t bmpctl_agg_fsblk_offset;
	char rsvd1[4];

	char AGinf_eyecatcher[8];
	int64_t *AGFree_tbl;
	int8_t AGActive[MAXAG];

	char dmapinf_eyecatcher[8];
	uint32_t dmappg_count;
	uint32_t dmappg_ordno;
	uint32_t dmappg_idx;
	int8_t *dmap_wsp_stree;
	int8_t *dmap_wsp_sleafs;
	struct dmap *dmap_bufptr;
	int64_t dmap_agg_offset;
	int64_t dmap_1stblk;
	int8_t dmap_pmap_error;
	int8_t dmap_slfv_error;
	int8_t dmap_slnv_error;
	int8_t dmap_other_error;
	char rsvd2[4];

	char L0inf_eyecatcher[8];
	uint32_t L0pg_count;
	uint32_t L0pg_ordno;
	uint32_t L0pg_idx;
	int8_t *L0_wsp_stree;
	int8_t *L0_wsp_sleafs;
	struct dmapctl *L0_bufptr;
	int64_t L0pg_agg_offset;
	int64_t L0pg_1stblk;
	int8_t L0_rsvd;
	int8_t L0pg_slfv_error;
	int8_t L0pg_slnv_error;
	int8_t L0pg_other_error;
	char rsvd3[4];

	char L1inf_eyecatcher[8];
	uint32_t L1pg_count;
	uint32_t L1pg_ordno;
	uint32_t L1pg_idx;
	int8_t *L1_wsp_stree;
	int8_t *L1_wsp_sleafs;
	struct dmapctl *L1_bufptr;
	int64_t L1pg_agg_offset;
	int64_t L1pg_1stblk;
	int8_t L1_rsvd;
	int8_t L1pg_slfv_error;
	int8_t L1pg_slnv_error;
	int8_t L1pg_other_error;
	char rsvd4[4];

	char L2inf_eyecatcher[8];
	uint32_t L2pg_count;
	int8_t *L2_wsp_stree;
	int8_t *L2_wsp_sleafs;
	struct dmapctl *L2_bufptr;
	int64_t L2pg_agg_offset;
	int64_t L2pg_1stblk;
	int8_t L2pg_slfv_error;
	int8_t L2pg_slnv_error;
	int8_t L2pg_other_error;
	char rsvd5[5];
};

/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
 *
 * unicharacter name structure
 */
struct uniname {
	uint32_t len_in_UniChars;
	UniChar name_in_UniChars[256];
};

/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
 *
 * used to pass message inserts from one routine to another economically
 */
struct fsck_ino_msg_info {
	uint32_t msg_inonum;
	int msg_inopfx;
	int msg_inotyp;
	int msg_dxdtyp;
};

struct fsck_imap_msg_info {
	int32_t msg_iagnum;
	int32_t msg_agnum;
	int msg_mapowner;
};

/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
 *
 * used to specify what action should be performed by routing
 * process_extent
 */
#define FSCK_RECORD                 1
#define FSCK_RECORD_DUPCHECK        2
#define FSCK_UNRECORD               3
#define FSCK_QUERY                  4
#define FSCK_GET_OBJNAME            5
#define FSCK_FSIM_RECORD_DUPCHECK   6
#define FSCK_FSIM_UNRECORD          7
#define FSCK_FSIM_QUERY             8

 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
  *
  * The following are the values which may be displayed in
  * message fsck_INOINLINECONFLICT
  *
  */
#define fsck_longdata_and_otherinline  1

/* + + + + + + + + + + + + + + + + + + + + + + + + + + + +
 *
 * The following define exit codes passed back by fsck.jfs
 * and return codes passed internally in fsck.jfs.
 *
 */

/* exit codes */

#define FSCK_OK                    0
#define FSCK_CORRECTED             1
#define FSCK_REBOOT                2
#define FSCK_ERRORS_UNCORRECTED    4
#define FSCK_OP_ERROR              8
#define FSCK_USAGE_ERROR          16

/* informational return codes */

#define FSCK_FAILED              -00001