36 static inline unsigned long dir_pages(struct inode *inode)  in dir_pages()  argument
38 	return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT;  in dir_pages()
44 	struct inode *dir = mapping->host;  in dir_commit_chunk()
59 static struct page * dir_get_page(struct inode *dir, unsigned long n)  in dir_get_page()
71 	struct inode *inode = file_inode(file);  in sysv_readdir()  local
72 	struct super_block *sb = inode->i_sb;  in sysv_readdir()
73 	unsigned long npages = dir_pages(inode);  in sysv_readdir()
78 	if (pos >= inode->i_size)  in sysv_readdir()
87 		struct page *page = dir_get_page(inode, n);  in sysv_readdir()
97 			if (!de->inode)  in sysv_readdir()
101 					fs16_to_cpu(SYSV_SB(sb), de->inode),  in sysv_readdir()
135 	struct inode * dir = d_inode(dentry->d_parent);  in sysv_find_entry()
156 				if (!de->inode)  in sysv_find_entry()
177 int sysv_add_link(struct dentry *dentry, struct inode *inode)  in sysv_add_link()  argument
179 	struct inode *dir = d_inode(dentry->d_parent);  in sysv_add_link()
200 			if (!de->inode)  in sysv_add_link()
221 	de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino);  in sysv_add_link()
236 	struct inode *inode = page->mapping->host;  in sysv_delete_entry()  local
244 	de->inode = 0;  in sysv_delete_entry()
247 	inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;  in sysv_delete_entry()
248 	mark_inode_dirty(inode);  in sysv_delete_entry()
252 int sysv_make_empty(struct inode *inode, struct inode *dir)  in sysv_make_empty()  argument
254 	struct page *page = grab_cache_page(inode->i_mapping, 0);  in sysv_make_empty()
272 	de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino);  in sysv_make_empty()
275 	de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), dir->i_ino);  in sysv_make_empty()
288 int sysv_empty_dir(struct inode * inode)  in sysv_empty_dir()  argument
290 	struct super_block *sb = inode->i_sb;  in sysv_empty_dir()
292 	unsigned long i, npages = dir_pages(inode);  in sysv_empty_dir()
297 		page = dir_get_page(inode, i);  in sysv_empty_dir()
307 			if (!de->inode)  in sysv_empty_dir()
313 				if (de->inode == cpu_to_fs16(SYSV_SB(sb),  in sysv_empty_dir()
314 							inode->i_ino))  in sysv_empty_dir()
332 	struct inode *inode)  in sysv_set_link()  argument
334 	struct inode *dir = page->mapping->host;  in sysv_set_link()
342 	de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino);  in sysv_set_link()
349 struct sysv_dir_entry * sysv_dotdot (struct inode *dir, struct page **p)  in sysv_dotdot()
368 		res = fs16_to_cpu(SYSV_SB(dentry->d_sb), de->inode);  in sysv_inode_by_name()