81 static struct inode *bpf_get_inode(struct super_block *sb,  in bpf_get_inode()
82 				   const struct inode *dir,  in bpf_get_inode()
85 	struct inode *inode;  in bpf_get_inode()  local
95 	inode = new_inode(sb);  in bpf_get_inode()
96 	if (!inode)  in bpf_get_inode()
99 	inode->i_ino = get_next_ino();  in bpf_get_inode()
100 	inode->i_atime = CURRENT_TIME;  in bpf_get_inode()
101 	inode->i_mtime = inode->i_atime;  in bpf_get_inode()
102 	inode->i_ctime = inode->i_atime;  in bpf_get_inode()
104 	inode_init_owner(inode, dir, mode);  in bpf_get_inode()
106 	return inode;  in bpf_get_inode()
109 static int bpf_inode_type(const struct inode *inode, enum bpf_type *type)  in bpf_inode_type()  argument
112 	if (inode->i_op == &bpf_prog_iops)  in bpf_inode_type()
114 	else if (inode->i_op == &bpf_map_iops)  in bpf_inode_type()
127 static int bpf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in bpf_mkdir()
129 	struct inode *inode;  in bpf_mkdir()  local
134 	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFDIR);  in bpf_mkdir()
135 	if (IS_ERR(inode))  in bpf_mkdir()
136 		return PTR_ERR(inode);  in bpf_mkdir()
138 	inode->i_op = &bpf_dir_iops;  in bpf_mkdir()
139 	inode->i_fop = &simple_dir_operations;  in bpf_mkdir()
141 	inc_nlink(inode);  in bpf_mkdir()
144 	d_instantiate(dentry, inode);  in bpf_mkdir()
150 static int bpf_mkobj_ops(struct inode *dir, struct dentry *dentry,  in bpf_mkobj_ops()
153 	struct inode *inode;  in bpf_mkobj_ops()  local
158 	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFREG);  in bpf_mkobj_ops()
159 	if (IS_ERR(inode))  in bpf_mkobj_ops()
160 		return PTR_ERR(inode);  in bpf_mkobj_ops()
162 	inode->i_op = iops;  in bpf_mkobj_ops()
163 	inode->i_private = dentry->d_fsdata;  in bpf_mkobj_ops()
165 	d_instantiate(dentry, inode);  in bpf_mkobj_ops()
171 static int bpf_mkobj(struct inode *dir, struct dentry *dentry, umode_t mode,  in bpf_mkobj()
202 	struct inode *dir;  in bpf_obj_do_pin()
261 	struct inode *inode;  in bpf_obj_do_get()  local
270 	inode = d_backing_inode(path.dentry);  in bpf_obj_do_get()
271 	ret = inode_permission(inode, MAY_WRITE);  in bpf_obj_do_get()
275 	ret = bpf_inode_type(inode, type);  in bpf_obj_do_get()
279 	raw = bpf_any_get(inode->i_private, *type);  in bpf_obj_do_get()
321 static void bpf_evict_inode(struct inode *inode)  in bpf_evict_inode()  argument
325 	truncate_inode_pages_final(&inode->i_data);  in bpf_evict_inode()
326 	clear_inode(inode);  in bpf_evict_inode()
328 	if (!bpf_inode_type(inode, &type))  in bpf_evict_inode()
329 		bpf_any_put(inode->i_private, type);  in bpf_evict_inode()
341 	struct inode *inode;  in bpf_fill_super()  local
350 	inode = sb->s_root->d_inode;  in bpf_fill_super()
351 	inode->i_op = &bpf_dir_iops;  in bpf_fill_super()
352 	inode->i_mode &= ~S_IALLUGO;  in bpf_fill_super()
353 	inode->i_mode |= S_ISVTX | S_IRWXUGO;  in bpf_fill_super()