24 static int bfs_add_entry(struct inode *dir, const struct qstr *child, int ino);
25 static struct buffer_head *bfs_find_entry(struct inode *dir,
31 	struct inode *dir = file_inode(f);  in bfs_readdir()  local
40 					dir->i_sb->s_id, dir->i_ino);  in bfs_readdir()
44 	while (ctx->pos < dir->i_size) {  in bfs_readdir()
46 		block = BFS_I(dir)->i_sblock + (ctx->pos >> BFS_BSIZE_BITS);  in bfs_readdir()
47 		bh = sb_bread(dir->i_sb, block);  in bfs_readdir()
65 		} while ((offset < BFS_BSIZE) && (ctx->pos < dir->i_size));  in bfs_readdir()
78 static int bfs_create(struct user_namespace *mnt_userns, struct inode *dir,  in bfs_create()  argument
83 	struct super_block *s = dir->i_sb;  in bfs_create()
99 	inode_init_owner(&init_user_ns, inode, dir, mode);  in bfs_create()
113 	err = bfs_add_entry(dir, &dentry->d_name, inode->i_ino);  in bfs_create()
125 static struct dentry *bfs_lookup(struct inode *dir, struct dentry *dentry,  in bfs_lookup()  argument
131 	struct bfs_sb_info *info = BFS_SB(dir->i_sb);  in bfs_lookup()
137 	bh = bfs_find_entry(dir, &dentry->d_name, &de);  in bfs_lookup()
141 		inode = bfs_iget(dir->i_sb, ino);  in bfs_lookup()
147 static int bfs_link(struct dentry *old, struct inode *dir,  in bfs_link()  argument
155 	err = bfs_add_entry(dir, &new->d_name, inode->i_ino);  in bfs_link()
169 static int bfs_unlink(struct inode *dir, struct dentry *dentry)  in bfs_unlink()  argument
178 	bh = bfs_find_entry(dir, &dentry->d_name, &de);  in bfs_unlink()
189 	mark_buffer_dirty_inode(bh, dir);  in bfs_unlink()
190 	dir->i_ctime = dir->i_mtime = current_time(dir);  in bfs_unlink()
191 	mark_inode_dirty(dir);  in bfs_unlink()
192 	inode->i_ctime = dir->i_ctime;  in bfs_unlink()
267 static int bfs_add_entry(struct inode *dir, const struct qstr *child, int ino)  in bfs_add_entry()  argument
283 	sblock = BFS_I(dir)->i_sblock;  in bfs_add_entry()
284 	eblock = BFS_I(dir)->i_eblock;  in bfs_add_entry()
286 		bh = sb_bread(dir->i_sb, block);  in bfs_add_entry()
293 				if (pos >= dir->i_size) {  in bfs_add_entry()
294 					dir->i_size += BFS_DIRENT_SIZE;  in bfs_add_entry()
295 					dir->i_ctime = current_time(dir);  in bfs_add_entry()
297 				dir->i_mtime = current_time(dir);  in bfs_add_entry()
298 				mark_inode_dirty(dir);  in bfs_add_entry()
303 				mark_buffer_dirty_inode(bh, dir);  in bfs_add_entry()
321 static struct buffer_head *bfs_find_entry(struct inode *dir,  in bfs_find_entry()  argument
335 	while (block * BFS_BSIZE + offset < dir->i_size) {  in bfs_find_entry()
337 			bh = sb_bread(dir->i_sb, BFS_I(dir)->i_sblock + block);  in bfs_find_entry()