83 datablock_number_sanity(const struct v7fs_self *fs, v7fs_daddr_t blk)  in datablock_number_sanity()  argument
86 	bool ok = (blk >= sb->datablock_start_sector) &&  in datablock_number_sanity()
87 	    (blk < sb->volume_size);  in datablock_number_sanity()
91 		DPRINTF("Bad data block #%d\n", blk);  in datablock_number_sanity()
102 	v7fs_daddr_t blk;  in v7fs_datablock_allocate()  local
115 		blk = sb->freeblock[--sb->nfreeblock];  in v7fs_datablock_allocate()
121 			if ((error = v7fs_freeblock_update(fs, blk))) {  in v7fs_datablock_allocate()
129 	} while (!datablock_number_sanity(fs, blk)); /* skip bogus block. */  in v7fs_datablock_allocate()
132 	DPRINTF("Get freeblock %d\n", blk);  in v7fs_datablock_allocate()
135 	if (!(buf = scratch_read(fs, blk)))  in v7fs_datablock_allocate()
138 	if (!fs->io.write(fs->io.cookie, buf, blk))  in v7fs_datablock_allocate()
143 		*block_number = blk;  in v7fs_datablock_allocate()
149 v7fs_datablock_deallocate(struct v7fs_self *fs, v7fs_daddr_t blk)  in v7fs_datablock_deallocate()  argument
155 	if (!datablock_number_sanity(fs, blk))  in v7fs_datablock_deallocate()
161 		sb->freeblock[sb->nfreeblock++] = blk;  in v7fs_datablock_deallocate()
171 	if (!(buf = scratch_read(fs, blk))) {  in v7fs_datablock_deallocate()
182 	if (!fs->io.write(fs->io.cookie, (uint8_t *)fb, blk)) {  in v7fs_datablock_deallocate()
187 		sb->freeblock[0] = blk;  in v7fs_datablock_deallocate()
257 	v7fs_daddr_t blk, blk2;  in v7fs_datablock_foreach()  local
270 		blk = p->addr[i];  in v7fs_datablock_foreach()
271 		if (!datablock_number_sanity(fs, blk)) {  in v7fs_datablock_foreach()
278 		if ((ret = func(fs, ctx, blk, last ? filesize : V7FS_BSIZE)))  in v7fs_datablock_foreach()
285 	blk = p->addr[V7FS_NADDR_INDEX1];  in v7fs_datablock_foreach()
286 	if (!datablock_number_sanity(fs, blk))  in v7fs_datablock_foreach()
289 	if ((ret = v7fs_loop1(fs, blk, &filesize, func, ctx)))  in v7fs_datablock_foreach()
293 	blk = p->addr[V7FS_NADDR_INDEX2];  in v7fs_datablock_foreach()
294 	if (!datablock_number_sanity(fs, blk))  in v7fs_datablock_foreach()
297 	if ((ret = v7fs_loop2(fs, blk, &filesize, func, ctx)))  in v7fs_datablock_foreach()
301 	blk = p->addr[V7FS_NADDR_INDEX3];  in v7fs_datablock_foreach()
302 	if (!datablock_number_sanity(fs, blk))  in v7fs_datablock_foreach()
306 		blk2 = v7fs_link(fs, blk, i);  in v7fs_datablock_foreach()
307 		if (!datablock_number_sanity(fs, blk))  in v7fs_datablock_foreach()
321 	v7fs_daddr_t blk;  in v7fs_loop2()  local
326 		blk = v7fs_link(fs, listblk, j);  in v7fs_loop2()
327 		if (!datablock_number_sanity(fs, blk))  in v7fs_loop2()
329 		if ((ret = v7fs_loop1(fs, blk, filesize, func, ctx)))  in v7fs_loop2()
340 	v7fs_daddr_t blk;  in v7fs_loop1()  local
346 		blk = v7fs_link(fs, listblk, k);  in v7fs_loop1()
347 		if (!datablock_number_sanity(fs, blk))  in v7fs_loop1()
350 		if ((ret = func(fs, ctx, blk, last ? *filesize : V7FS_BSIZE)))  in v7fs_loop1()
364 	v7fs_daddr_t blk = 0;  in v7fs_datablock_last()  local
374 		blk = inode->addr[map.index[0]];  in v7fs_datablock_last()
377 		blk = v7fs_link(fs, addr[V7FS_NADDR_INDEX1], map.index[0]);  in v7fs_datablock_last()
380 		blk = v7fs_link(fs, v7fs_link(fs,  in v7fs_datablock_last()
384 		blk = v7fs_link(fs, v7fs_link(fs, v7fs_link(fs,  in v7fs_datablock_last()
390 	return blk;  in v7fs_datablock_last()
399 	v7fs_daddr_t blk, idxblk;  in v7fs_datablock_expand()  local
431 				blk = v7fs_add_leaf(fs, idxblk, 0);  in v7fs_datablock_expand()
436 				blk = v7fs_add_leaf(fs, v7fs_add_leaf(fs,  in v7fs_datablock_expand()
442 				blk = v7fs_add_leaf(fs, v7fs_add_leaf(fs,  in v7fs_datablock_expand()
449 				if ((error = v7fs_datablock_allocate(fs, &blk)))  in v7fs_datablock_expand()
451 				inode->addr[newmap.index[0]] = blk;  in v7fs_datablock_expand()
453 				    newmap.index[0], blk);  in v7fs_datablock_expand()
457 				blk = v7fs_add_leaf(fs, idxblk,  in v7fs_datablock_expand()
466 				blk = v7fs_add_leaf(fs, v7fs_link(fs,idxblk,  in v7fs_datablock_expand()
481 				blk = v7fs_add_leaf(fs, v7fs_link(fs,  in v7fs_datablock_expand()
487 		if (!blk) {  in v7fs_datablock_expand()
503 	v7fs_daddr_t blk;  in v7fs_link()  local
511 	blk = V7FS_VAL32(fs, list[n]);  in v7fs_link()
514 	if (!datablock_number_sanity(fs, blk))  in v7fs_link()
517 	return blk;  in v7fs_link()
553 	v7fs_daddr_t blk, idxblk;  in v7fs_datablock_contract()  local
603 				blk = inode->addr[oldmap.index[0]];  in v7fs_datablock_contract()
604 				error = v7fs_datablock_deallocate(fs, blk);  in v7fs_datablock_contract()
655 	v7fs_daddr_t blk;  in v7fs_unlink()  local
661 	blk = V7FS_VAL32(fs, daddr_list[n]);  in v7fs_unlink()
666 	return blk; /* unlinked block. */  in v7fs_unlink()