151 	Indirect *partial;  in get_block()  local
159 	partial = get_branch(inode, depth, offsets, chain, &err);  in get_block()
162 	if (!partial) {  in get_block()
166 		partial = chain+depth-1; /* the whole chain */  in get_block()
173 		while (partial > chain) {  in get_block()
174 			brelse(partial->bh);  in get_block()
175 			partial--;  in get_block()
189 	left = (chain + depth) - partial;  in get_block()
190 	err = alloc_branch(inode, left, offsets+(partial-chain), partial);  in get_block()
194 	if (splice_branch(inode, chain, partial, left) < 0)  in get_block()
201 	while (partial > chain) {  in get_block()
202 		brelse(partial->bh);  in get_block()
203 		partial--;  in get_block()
222 	Indirect *partial, *p;  in find_shared()  local
228 	partial = get_branch(inode, k, offsets, chain, &err);  in find_shared()
231 	if (!partial)  in find_shared()
232 		partial = chain + k-1;  in find_shared()
233 	if (!partial->key && *partial->p) {  in find_shared()
237 	for (p=partial;p>chain && all_zeroes((block_t*)p->bh->b_data,p->p);p--)  in find_shared()
247 	while(partial > p)  in find_shared()
249 		brelse(partial->bh);  in find_shared()
250 		partial--;  in find_shared()
253 	return partial;  in find_shared()
299 	Indirect *partial;  in truncate()  local
319 	partial = find_shared(inode, n, offsets, chain, &nr);  in truncate()
321 		if (partial == chain)  in truncate()
324 			mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
325 		free_branches(inode, &nr, &nr+1, (chain+n-1) - partial);  in truncate()
328 	while (partial > chain) {  in truncate()
329 		free_branches(inode, partial->p + 1, block_end(partial->bh),  in truncate()
330 				(chain+n-1) - partial);  in truncate()
331 		mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
332 		brelse (partial->bh);  in truncate()
333 		partial--;  in truncate()