131 dirscan(struct inodesc *idesc)  in dirscan()  argument
140 	if (idesc->id_type != DATA)  in dirscan()
141 		errexit("wrong type to dirscan %d", idesc->id_type);  in dirscan()
142 	if (idesc->id_entryno == 0 &&  in dirscan()
143 	    (idesc->id_filesize & (LFS_DIRBLKSIZ - 1)) != 0)  in dirscan()
144 		idesc->id_filesize = roundup(idesc->id_filesize, LFS_DIRBLKSIZ);  in dirscan()
145 	blksiz = idesc->id_numfrags * lfs_sb_getfsize(fs);  in dirscan()
146 	if (chkrange(idesc->id_blkno, idesc->id_numfrags)) {  in dirscan()
147 		idesc->id_filesize -= blksiz;  in dirscan()
150 	idesc->id_loc = 0;  in dirscan()
152 	vp = vget(fs, idesc->id_number);  in dirscan()
153 	for (dp = fsck_readdir(vp, idesc); dp != NULL;  in dirscan()
154 	    dp = fsck_readdir(vp, idesc)) {  in dirscan()
157 		idesc->id_dirp = (LFS_DIRHEADER *) dbuf;  in dirscan()
158 		if ((n = (*idesc->id_func) (idesc)) & ALTERED) {  in dirscan()
159 			bread(vp, idesc->id_lblkno, blksiz, 0, &bp);  in dirscan()
160 			memcpy(bp->b_data + idesc->id_loc - dsize, dbuf,  in dirscan()
168 	return (idesc->id_filesize > 0 ? KEEPON : STOP);  in dirscan()
175 fsck_readdir(struct uvnode *vp, struct inodesc *idesc)  in fsck_readdir()  argument
181 	blksiz = idesc->id_numfrags * lfs_sb_getfsize(fs);  in fsck_readdir()
182 	bread(vp, idesc->id_lblkno, blksiz, 0, &bp);  in fsck_readdir()
183 	if (idesc->id_loc % LFS_DIRBLKSIZ == 0 && idesc->id_filesize > 0 &&  in fsck_readdir()
184 	    idesc->id_loc < blksiz) {  in fsck_readdir()
185 		dp = (LFS_DIRHEADER *) (bp->b_data + idesc->id_loc);  in fsck_readdir()
186 		if (dircheck(idesc, dp))  in fsck_readdir()
189 		if (idesc->id_fix == IGNORE)  in fsck_readdir()
191 		fix = dofix(idesc, "DIRECTORY CORRUPTED");  in fsck_readdir()
192 		bread(vp, idesc->id_lblkno, blksiz, 0, &bp);  in fsck_readdir()
193 		dp = (LFS_DIRHEADER *) (bp->b_data + idesc->id_loc);  in fsck_readdir()
205 		idesc->id_loc += LFS_DIRBLKSIZ;  in fsck_readdir()
206 		idesc->id_filesize -= LFS_DIRBLKSIZ;  in fsck_readdir()
210 	if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz) {  in fsck_readdir()
214 	dploc = idesc->id_loc;  in fsck_readdir()
216 	idesc->id_loc += lfs_dir_getreclen(fs, dp);  in fsck_readdir()
217 	idesc->id_filesize -= lfs_dir_getreclen(fs, dp);  in fsck_readdir()
218 	if ((idesc->id_loc % LFS_DIRBLKSIZ) == 0) {  in fsck_readdir()
222 	ndp = (LFS_DIRHEADER *) (bp->b_data + idesc->id_loc);  in fsck_readdir()
223 	if (idesc->id_loc < blksiz && idesc->id_filesize > 0 &&  in fsck_readdir()
224 	    dircheck(idesc, ndp) == 0) {  in fsck_readdir()
226 		size = LFS_DIRBLKSIZ - (idesc->id_loc % LFS_DIRBLKSIZ);  in fsck_readdir()
227 		idesc->id_loc += size;  in fsck_readdir()
228 		idesc->id_filesize -= size;  in fsck_readdir()
229 		if (idesc->id_fix == IGNORE)  in fsck_readdir()
231 		fix = dofix(idesc, "DIRECTORY CORRUPTED");  in fsck_readdir()
232 		bread(vp, idesc->id_lblkno, blksiz, 0, &bp);  in fsck_readdir()
250 dircheck(struct inodesc *idesc, LFS_DIRHEADER *dp)  in dircheck()  argument
257 	spaceleft = LFS_DIRBLKSIZ - (idesc->id_loc % LFS_DIRBLKSIZ);  in dircheck()
276 	    idesc->id_filesize < size ||  in dircheck()
331 adjust(struct inodesc *idesc, short lcnt)  in adjust()  argument
342 	vp = vget(fs, idesc->id_number);  in adjust()
345 		if (linkup(idesc->id_number, (ino_t) 0) == 0)  in adjust()
346 			clri(idesc, "UNREF", 0);  in adjust()
348 		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :  in adjust()
350 		pinode(idesc->id_number);  in adjust()
369 mkentry(struct inodesc *idesc)  in mkentry()  argument
371 	LFS_DIRHEADER *dirp = idesc->id_dirp;  in mkentry()
376 	namlen = strlen(idesc->id_name);  in mkentry()
397 	lfs_dir_setino(fs, dirp, idesc->id_parent);  in mkentry()
399 	lfs_dir_settype(fs, dirp, typemap[idesc->id_parent]);  in mkentry()
401 	lfs_copydirname(fs, lfs_dir_nameptr(fs, dirp), idesc->id_name,  in mkentry()
408 chgino(struct inodesc *idesc)  in chgino()  argument
410 	LFS_DIRHEADER *dirp = idesc->id_dirp;  in chgino()
414 	if (memcmp(lfs_dir_nameptr(fs, dirp), idesc->id_name, namlen + 1))  in chgino()
416 	lfs_dir_setino(fs, dirp, idesc->id_parent);  in chgino()
417 	lfs_dir_settype(fs, dirp, typemap[idesc->id_parent]);  in chgino()
427 	struct inodesc idesc;  in linkup()  local
431 	memset(&idesc, 0, sizeof(struct inodesc));  in linkup()
445 		idesc.id_name = lfname;  in linkup()
446 		idesc.id_type = DATA;  in linkup()
447 		idesc.id_func = findino;  in linkup()
448 		idesc.id_number = ULFS_ROOTINO;  in linkup()
449 		if ((ckinode(dp, &idesc) & FOUND) != 0) {  in linkup()
450 			lfdir = idesc.id_parent;  in linkup()
490 		idesc.id_type = ADDR;  in linkup()
491 		idesc.id_func = pass4check;  in linkup()
492 		idesc.id_number = oldlfdir;  in linkup()
493 		adjust(&idesc, lncntp[oldlfdir] + 1);  in linkup()
534 	struct inodesc idesc;  in changeino()  local
536 	memset(&idesc, 0, sizeof(struct inodesc));  in changeino()
537 	idesc.id_type = DATA;  in changeino()
538 	idesc.id_func = chgino;  in changeino()
539 	idesc.id_number = dir;  in changeino()
540 	idesc.id_fix = DONTKNOW;  in changeino()
541 	idesc.id_name = name;  in changeino()
542 	idesc.id_parent = newnum;	/* new value for name */  in changeino()
544 	return (ckinode(ginode(dir), &idesc));  in changeino()
554 	struct inodesc idesc;  in makeentry()  local
562 	memset(&idesc, 0, sizeof(struct inodesc));  in makeentry()
563 	idesc.id_type = DATA;  in makeentry()
564 	idesc.id_func = mkentry;  in makeentry()
565 	idesc.id_number = parent;  in makeentry()
566 	idesc.id_parent = ino;	/* this is the inode to enter */  in makeentry()
567 	idesc.id_fix = DONTKNOW;  in makeentry()
568 	idesc.id_name = name;  in makeentry()
577 	if ((ckinode(dp, &idesc) & ALTERED) != 0)  in makeentry()
584 	return (ckinode(dp, &idesc) & ALTERED);  in makeentry()