7 	struct buffer_head *bh;  member
12 static inline void add_chain(Indirect *p, struct buffer_head *bh, block_t *v)  in add_chain()  argument
15 	p->bh = bh;  in add_chain()
25 static inline block_t *block_end(struct buffer_head *bh)  in block_end()  argument
27 	return (block_t *)((char*)bh->b_data + bh->b_size);  in block_end()
38 	struct buffer_head *bh;  in get_branch()  local
46 		bh = sb_bread(sb, block_to_cpu(p->key));  in get_branch()
47 		if (!bh)  in get_branch()
52 		add_chain(++p, bh, (block_t *)bh->b_data + *++offsets);  in get_branch()
61 	brelse(bh);  in get_branch()
81 		struct buffer_head *bh;  in alloc_branch()  local
87 		bh = sb_getblk(inode->i_sb, parent);  in alloc_branch()
88 		lock_buffer(bh);  in alloc_branch()
89 		memset(bh->b_data, 0, bh->b_size);  in alloc_branch()
90 		branch[n].bh = bh;  in alloc_branch()
91 		branch[n].p = (block_t*) bh->b_data + offsets[n];  in alloc_branch()
93 		set_buffer_uptodate(bh);  in alloc_branch()
94 		unlock_buffer(bh);  in alloc_branch()
95 		mark_buffer_dirty_inode(bh, inode);  in alloc_branch()
103 		bforget(branch[i].bh);  in alloc_branch()
131 	if (where->bh)  in splice_branch()
132 		mark_buffer_dirty_inode(where->bh, inode);  in splice_branch()
140 		bforget(where[i].bh);  in splice_branch()
147 			struct buffer_head *bh, int create)  in get_block()  argument
165 		map_bh(bh, inode->i_sb, block_to_cpu(chain[depth-1].key));  in get_block()
175 			brelse(partial->bh);  in get_block()
198 	set_buffer_new(bh);  in get_block()
203 		brelse(partial->bh);  in get_block()
238 	for (p=partial;p>chain && all_zeroes((block_t*)p->bh->b_data,p->p);p--)  in find_shared()
250 		brelse(partial->bh);  in find_shared()
272 	struct buffer_head * bh;  in free_branches()  local
281 			bh = sb_bread(inode->i_sb, nr);  in free_branches()
282 			if (!bh)  in free_branches()
284 			free_branches(inode, (block_t*)bh->b_data,  in free_branches()
285 				      block_end(bh), depth);  in free_branches()
286 			bforget(bh);  in free_branches()
325 			mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
330 		free_branches(inode, partial->p + 1, block_end(partial->bh),  in truncate()
332 		mark_buffer_dirty_inode(partial->bh, inode);  in truncate()
333 		brelse (partial->bh);  in truncate()