40 static struct inode *tracefs_alloc_inode(struct super_block *sb)  in tracefs_alloc_inode()
64 static void tracefs_free_inode(struct inode *inode)  in tracefs_free_inode()  argument
66 	struct tracefs_inode *ti = get_tracefs(inode);  in tracefs_free_inode()
116 				 struct inode *inode, struct dentry *dentry,  in tracefs_syscall_mkdir()  argument
132 	ti = get_tracefs(inode);  in tracefs_syscall_mkdir()
134 	ti->private = inode;  in tracefs_syscall_mkdir()
141 	inode_unlock(inode);  in tracefs_syscall_mkdir()
143 	inode_lock(inode);  in tracefs_syscall_mkdir()
150 static int tracefs_syscall_rmdir(struct inode *inode, struct dentry *dentry)  in tracefs_syscall_rmdir()  argument
166 	inode_unlock(inode);  in tracefs_syscall_rmdir()
171 	inode_lock_nested(inode, I_MUTEX_PARENT);  in tracefs_syscall_rmdir()
179 static void set_tracefs_inode_owner(struct inode *inode)  in set_tracefs_inode_owner()  argument
181 	struct tracefs_inode *ti = get_tracefs(inode);  in set_tracefs_inode_owner()
182 	struct inode *root_inode = ti->private;  in set_tracefs_inode_owner()
212 		inode->i_uid = uid;  in set_tracefs_inode_owner()
215 		inode->i_gid = gid;  in set_tracefs_inode_owner()
219 			      struct inode *inode, int mask)  in tracefs_permission()  argument
221 	set_tracefs_inode_owner(inode);  in tracefs_permission()
222 	return generic_permission(idmap, inode, mask);  in tracefs_permission()
229 	struct inode *inode = d_backing_inode(path->dentry);  in tracefs_getattr()  local
231 	set_tracefs_inode_owner(inode);  in tracefs_getattr()
232 	generic_fillattr(idmap, request_mask, inode, stat);  in tracefs_getattr()
240 	struct inode *inode = d_inode(dentry);  in tracefs_setattr()  local
241 	struct tracefs_inode *ti = get_tracefs(inode);  in tracefs_setattr()
274 struct inode *tracefs_get_inode(struct super_block *sb)  in tracefs_get_inode()
276 	struct inode *inode = new_inode(sb);  in tracefs_get_inode()  local
277 	if (inode) {  in tracefs_get_inode()
278 		inode->i_ino = get_next_ino();  in tracefs_get_inode()
279 		inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);  in tracefs_get_inode()
281 	return inode;  in tracefs_get_inode()
364 	struct inode *inode = d_inode(sb->s_root);  in tracefs_apply_options()  local
376 		tmp_mode = READ_ONCE(inode->i_mode) & ~S_IALLUGO;  in tracefs_apply_options()
378 		WRITE_ONCE(inode->i_mode, tmp_mode);  in tracefs_apply_options()
382 		inode->i_uid = opts->uid;  in tracefs_apply_options()
385 		inode->i_gid = opts->gid;  in tracefs_apply_options()
442 static int tracefs_drop_inode(struct inode *inode)  in tracefs_drop_inode()  argument
444 	struct tracefs_inode *ti = get_tracefs(inode);  in tracefs_drop_inode()
595 static struct inode *instance_inode(struct dentry *parent, struct inode *inode)  in instance_inode()  argument
601 		return d_inode(inode->i_sb->s_root);  in instance_inode()
646 	struct inode *inode;  in tracefs_create_file()  local
659 	inode = tracefs_get_inode(dentry->d_sb);  in tracefs_create_file()
660 	if (unlikely(!inode))  in tracefs_create_file()
663 	ti = get_tracefs(inode);  in tracefs_create_file()
664 	ti->private = instance_inode(parent, inode);  in tracefs_create_file()
666 	inode->i_mode = mode;  in tracefs_create_file()
667 	inode->i_op = &tracefs_file_inode_operations;  in tracefs_create_file()
668 	inode->i_fop = fops ? fops : &tracefs_file_operations;  in tracefs_create_file()
669 	inode->i_private = data;  in tracefs_create_file()
670 	inode->i_uid = d_inode(dentry->d_parent)->i_uid;  in tracefs_create_file()
671 	inode->i_gid = d_inode(dentry->d_parent)->i_gid;  in tracefs_create_file()
672 	d_instantiate(dentry, inode);  in tracefs_create_file()
682 	struct inode *inode;  in __create_dir()  local
687 	inode = tracefs_get_inode(dentry->d_sb);  in __create_dir()
688 	if (unlikely(!inode))  in __create_dir()
692 	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP;  in __create_dir()
693 	inode->i_op = ops;  in __create_dir()
694 	inode->i_fop = &simple_dir_operations;  in __create_dir()
695 	inode->i_uid = d_inode(dentry->d_parent)->i_uid;  in __create_dir()
696 	inode->i_gid = d_inode(dentry->d_parent)->i_gid;  in __create_dir()
698 	ti = get_tracefs(inode);  in __create_dir()
699 	ti->private = instance_inode(parent, inode);  in __create_dir()
702 	inc_nlink(inode);  in __create_dir()
703 	d_instantiate(dentry, inode);  in __create_dir()