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Annotation of 43BSDReno/sbin/fsck/pass1b.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980, 1986 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)pass1b.c   5.8 (Berkeley) 7/20/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include <sys/param.h>
        !            25: #include <ufs/dinode.h>
        !            26: #include <ufs/fs.h>
        !            27: #include <string.h>
        !            28: #include "fsck.h"
        !            29: 
        !            30: int    pass1bcheck();
        !            31: static  struct dups *duphead;
        !            32: 
        !            33: pass1b()
        !            34: {
        !            35:        register int c, i;
        !            36:        register struct dinode *dp;
        !            37:        struct inodesc idesc;
        !            38:        ino_t inumber;
        !            39: 
        !            40:        bzero((char *)&idesc, sizeof(struct inodesc));
        !            41:        idesc.id_type = ADDR;
        !            42:        idesc.id_func = pass1bcheck;
        !            43:        duphead = duplist;
        !            44:        inumber = 0;
        !            45:        for (c = 0; c < sblock.fs_ncg; c++) {
        !            46:                for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
        !            47:                        if (inumber < ROOTINO)
        !            48:                                continue;
        !            49:                        dp = ginode(inumber);
        !            50:                        if (dp == NULL)
        !            51:                                continue;
        !            52:                        idesc.id_number = inumber;
        !            53:                        if (statemap[inumber] != USTATE &&
        !            54:                            (ckinode(dp, &idesc) & STOP))
        !            55:                                return;
        !            56:                }
        !            57:        }
        !            58: }
        !            59: 
        !            60: pass1bcheck(idesc)
        !            61:        register struct inodesc *idesc;
        !            62: {
        !            63:        register struct dups *dlp;
        !            64:        int nfrags, res = KEEPON;
        !            65:        daddr_t blkno = idesc->id_blkno;
        !            66: 
        !            67:        for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
        !            68:                if (chkrange(blkno, 1))
        !            69:                        res = SKIP;
        !            70:                for (dlp = duphead; dlp; dlp = dlp->next) {
        !            71:                        if (dlp->dup == blkno) {
        !            72:                                blkerror(idesc->id_number, "DUP", blkno);
        !            73:                                dlp->dup = duphead->dup;
        !            74:                                duphead->dup = blkno;
        !            75:                                duphead = duphead->next;
        !            76:                        }
        !            77:                        if (dlp == muldup)
        !            78:                                break;
        !            79:                }
        !            80:                if (muldup == 0 || duphead == muldup->next)
        !            81:                        return (STOP);
        !            82:        }
        !            83:        return (res);
        !            84: }

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