55 static char *get_dname(struct dentry *dentry)  in get_dname()  argument
59 	int len = dentry->d_name.len;  in get_dname()
61 	dname = dentry->d_name.name;  in get_dname()
70 static int tracefs_syscall_mkdir(struct inode *inode, struct dentry *dentry, umode_t mode)  in tracefs_syscall_mkdir()  argument
75 	name = get_dname(dentry);  in tracefs_syscall_mkdir()
93 static int tracefs_syscall_rmdir(struct inode *inode, struct dentry *dentry)  in tracefs_syscall_rmdir()  argument
98 	name = get_dname(dentry);  in tracefs_syscall_rmdir()
110 	inode_unlock(dentry->d_inode);  in tracefs_syscall_rmdir()
115 	inode_lock(dentry->d_inode);  in tracefs_syscall_rmdir()
241 static int tracefs_show_options(struct seq_file *m, struct dentry *root)  in tracefs_show_options()
297 static struct dentry *trace_mount(struct file_system_type *fs_type,  in trace_mount()
312 static struct dentry *start_creating(const char *name, struct dentry *parent)  in start_creating()
314 	struct dentry *dentry;  in start_creating()  local
334 		dentry = ERR_PTR(-ENOENT);  in start_creating()
336 		dentry = lookup_one_len(name, parent, strlen(name));  in start_creating()
337 	if (!IS_ERR(dentry) && dentry->d_inode) {  in start_creating()
338 		dput(dentry);  in start_creating()
339 		dentry = ERR_PTR(-EEXIST);  in start_creating()
342 	if (IS_ERR(dentry)) {  in start_creating()
347 	return dentry;  in start_creating()
350 static struct dentry *failed_creating(struct dentry *dentry)  in failed_creating()  argument
352 	inode_unlock(dentry->d_parent->d_inode);  in failed_creating()
353 	dput(dentry);  in failed_creating()
358 static struct dentry *end_creating(struct dentry *dentry)  in end_creating()  argument
360 	inode_unlock(dentry->d_parent->d_inode);  in end_creating()
361 	return dentry;  in end_creating()
390 struct dentry *tracefs_create_file(const char *name, umode_t mode,  in tracefs_create_file()
391 				   struct dentry *parent, void *data,  in tracefs_create_file()
394 	struct dentry *dentry;  in tracefs_create_file()  local
403 	dentry = start_creating(name, parent);  in tracefs_create_file()
405 	if (IS_ERR(dentry))  in tracefs_create_file()
408 	inode = tracefs_get_inode(dentry->d_sb);  in tracefs_create_file()
410 		return failed_creating(dentry);  in tracefs_create_file()
415 	d_instantiate(dentry, inode);  in tracefs_create_file()
416 	fsnotify_create(dentry->d_parent->d_inode, dentry);  in tracefs_create_file()
417 	return end_creating(dentry);  in tracefs_create_file()
420 static struct dentry *__create_dir(const char *name, struct dentry *parent,  in __create_dir()
423 	struct dentry *dentry = start_creating(name, parent);  in __create_dir()  local
426 	if (IS_ERR(dentry))  in __create_dir()
429 	inode = tracefs_get_inode(dentry->d_sb);  in __create_dir()
431 		return failed_creating(dentry);  in __create_dir()
439 	d_instantiate(dentry, inode);  in __create_dir()
440 	inc_nlink(dentry->d_parent->d_inode);  in __create_dir()
441 	fsnotify_mkdir(dentry->d_parent->d_inode, dentry);  in __create_dir()
442 	return end_creating(dentry);  in __create_dir()
462 struct dentry *tracefs_create_dir(const char *name, struct dentry *parent)  in tracefs_create_dir()
484 __init struct dentry *tracefs_create_instance_dir(const char *name,  in tracefs_create_instance_dir()
485 					  struct dentry *parent,  in tracefs_create_instance_dir()
489 	struct dentry *dentry;  in tracefs_create_instance_dir()  local
495 	dentry = __create_dir(name, parent, &tracefs_dir_inode_operations);  in tracefs_create_instance_dir()
496 	if (!dentry)  in tracefs_create_instance_dir()
502 	return dentry;  in tracefs_create_instance_dir()
505 static void remove_one(struct dentry *victim)  in remove_one()
518 void tracefs_remove(struct dentry *dentry)  in tracefs_remove()  argument
520 	if (IS_ERR_OR_NULL(dentry))  in tracefs_remove()
524 	simple_recursive_removal(dentry, remove_one);  in tracefs_remove()