xref: /csrg-svn/sbin/fsck/pass1b.c (revision 22049)
1*22049Sdist /*
2*22049Sdist  * Copyright (c) 1980 Regents of the University of California.
3*22049Sdist  * All rights reserved.  The Berkeley software License Agreement
4*22049Sdist  * specifies the terms and conditions for redistribution.
5*22049Sdist  */
6*22049Sdist 
716263Smckusick #ifndef lint
8*22049Sdist static char sccsid[] = "@(#)pass1b.c	5.1 (Berkeley) 06/05/85";
9*22049Sdist #endif not lint
1016263Smckusick 
1116263Smckusick #include <sys/param.h>
1216263Smckusick #include <sys/inode.h>
1316263Smckusick #include <sys/fs.h>
1416263Smckusick #include "fsck.h"
1516263Smckusick 
1616263Smckusick int	pass1bcheck();
1721744Smckusick static  struct dups *duphead;
1816263Smckusick 
1916263Smckusick pass1b()
2016263Smckusick {
2116263Smckusick 	register int c, i;
2216263Smckusick 	register DINODE *dp;
2316263Smckusick 	struct inodesc idesc;
2416263Smckusick 	ino_t inumber;
2516263Smckusick 
2616263Smckusick 	bzero((char *)&idesc, sizeof(struct inodesc));
2716263Smckusick 	idesc.id_type = ADDR;
2816263Smckusick 	idesc.id_func = pass1bcheck;
2921744Smckusick 	duphead = duplist;
3016263Smckusick 	inumber = 0;
3116263Smckusick 	for (c = 0; c < sblock.fs_ncg; c++) {
3216263Smckusick 		for (i = 0; i < sblock.fs_ipg; i++, inumber++) {
3320847Smckusick 			if (inumber < ROOTINO)
3420847Smckusick 				continue;
3516263Smckusick 			dp = ginode(inumber);
3616263Smckusick 			if (dp == NULL)
3716263Smckusick 				continue;
3816263Smckusick 			idesc.id_number = inumber;
3916263Smckusick 			if (statemap[inumber] != USTATE &&
4016263Smckusick 			    (ckinode(dp, &idesc) & STOP))
4116263Smckusick 				goto out1b;
4216263Smckusick 		}
4316263Smckusick 	}
4416263Smckusick out1b:
4516263Smckusick 	flush(&dfile, &inoblk);
4616263Smckusick }
4716263Smckusick 
4816263Smckusick pass1bcheck(idesc)
4916263Smckusick 	register struct inodesc *idesc;
5016263Smckusick {
5121744Smckusick 	register struct dups *dlp;
5216263Smckusick 	int nfrags, res = KEEPON;
5316263Smckusick 	daddr_t blkno = idesc->id_blkno;
5416263Smckusick 
5516263Smckusick 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
5616263Smckusick 		if (outrange(blkno, 1))
5716263Smckusick 			res = SKIP;
5821744Smckusick 		for (dlp = duphead; dlp; dlp = dlp->next) {
5921744Smckusick 			if (dlp->dup == blkno) {
6016263Smckusick 				blkerr(idesc->id_number, "DUP", blkno);
6121744Smckusick 				dlp->dup = duphead->dup;
6221744Smckusick 				duphead->dup = blkno;
6321744Smckusick 				duphead = duphead->next;
6416263Smckusick 			}
6521744Smckusick 			if (dlp == muldup)
6621744Smckusick 				break;
6721744Smckusick 		}
6821744Smckusick 		if (muldup == 0 || duphead == muldup->next)
6921744Smckusick 			return (STOP);
7016263Smckusick 	}
7116263Smckusick 	return (res);
7216263Smckusick }
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