152 	Indirect *partial;  in get_block()  local
160 	partial = get_branch(inode, depth, offsets, chain, &err);  in get_block()
163 	if (!partial) {  in get_block()
167 		partial = chain+depth-1; /* the whole chain */  in get_block()
174 		while (partial > chain) {  in get_block()
175 			brelse(partial->bh);  in get_block()
176 			partial--;  in get_block()
190 	left = (chain + depth) - partial;  in get_block()
191 	err = alloc_branch(inode, left, offsets+(partial-chain), partial);  in get_block()
195 	if (splice_branch(inode, chain, partial, left) < 0)  in get_block()
202 	while (partial > chain) {  in get_block()
203 		brelse(partial->bh);  in get_block()
204 		partial--;  in get_block()
223 	Indirect *partial, *p;  in find_shared()  local
229 	partial = get_branch(inode, k, offsets, chain, &err);  in find_shared()
232 	if (!partial)  in find_shared()
233 		partial = chain + k-1;  in find_shared()
234 	if (!partial->key && *partial->p) {  in find_shared()
238 	for (p=partial;p>chain && all_zeroes((block_t*)p->bh->b_data,p->p);p--)  in find_shared()
248 	while(partial > p)  in find_shared()
250 		brelse(partial->bh);  in find_shared()
251 		partial--;  in find_shared()
254 	return partial;  in find_shared()
300 	Indirect *partial;  in truncate()  local
320 	partial = find_shared(inode, n, offsets, chain, &nr);  in truncate()
322 		if (partial == chain)  in truncate()
325 			mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
326 		free_branches(inode, &nr, &nr+1, (chain+n-1) - partial);  in truncate()
329 	while (partial > chain) {  in truncate()
330 		free_branches(inode, partial->p + 1, block_end(partial->bh),  in truncate()
331 				(chain+n-1) - partial);  in truncate()
332 		mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
333 		brelse (partial->bh);  in truncate()
334 		partial--;  in truncate()