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()
71 				 struct inode *inode, struct dentry *dentry,  in tracefs_syscall_mkdir()  argument
77 	name = get_dname(dentry);  in tracefs_syscall_mkdir()
95 static int tracefs_syscall_rmdir(struct inode *inode, struct dentry *dentry)  in tracefs_syscall_rmdir()  argument
100 	name = get_dname(dentry);  in tracefs_syscall_rmdir()
112 	inode_unlock(dentry->d_inode);  in tracefs_syscall_rmdir()
117 	inode_lock(dentry->d_inode);  in tracefs_syscall_rmdir()
243 static int tracefs_show_options(struct seq_file *m, struct dentry *root)  in tracefs_show_options()
299 static struct dentry *trace_mount(struct file_system_type *fs_type,  in trace_mount()
314 static struct dentry *start_creating(const char *name, struct dentry *parent)  in start_creating()
316 	struct dentry *dentry;  in start_creating()  local
336 		dentry = ERR_PTR(-ENOENT);  in start_creating()
338 		dentry = lookup_one_len(name, parent, strlen(name));  in start_creating()
339 	if (!IS_ERR(dentry) && dentry->d_inode) {  in start_creating()
340 		dput(dentry);  in start_creating()
341 		dentry = ERR_PTR(-EEXIST);  in start_creating()
344 	if (IS_ERR(dentry)) {  in start_creating()
349 	return dentry;  in start_creating()
352 static struct dentry *failed_creating(struct dentry *dentry)  in failed_creating()  argument
354 	inode_unlock(dentry->d_parent->d_inode);  in failed_creating()
355 	dput(dentry);  in failed_creating()
360 static struct dentry *end_creating(struct dentry *dentry)  in end_creating()  argument
362 	inode_unlock(dentry->d_parent->d_inode);  in end_creating()
363 	return dentry;  in end_creating()
392 struct dentry *tracefs_create_file(const char *name, umode_t mode,  in tracefs_create_file()
393 				   struct dentry *parent, void *data,  in tracefs_create_file()
396 	struct dentry *dentry;  in tracefs_create_file()  local
405 	dentry = start_creating(name, parent);  in tracefs_create_file()
407 	if (IS_ERR(dentry))  in tracefs_create_file()
410 	inode = tracefs_get_inode(dentry->d_sb);  in tracefs_create_file()
412 		return failed_creating(dentry);  in tracefs_create_file()
417 	d_instantiate(dentry, inode);  in tracefs_create_file()
418 	fsnotify_create(dentry->d_parent->d_inode, dentry);  in tracefs_create_file()
419 	return end_creating(dentry);  in tracefs_create_file()
422 static struct dentry *__create_dir(const char *name, struct dentry *parent,  in __create_dir()
425 	struct dentry *dentry = start_creating(name, parent);  in __create_dir()  local
428 	if (IS_ERR(dentry))  in __create_dir()
431 	inode = tracefs_get_inode(dentry->d_sb);  in __create_dir()
433 		return failed_creating(dentry);  in __create_dir()
441 	d_instantiate(dentry, inode);  in __create_dir()
442 	inc_nlink(dentry->d_parent->d_inode);  in __create_dir()
443 	fsnotify_mkdir(dentry->d_parent->d_inode, dentry);  in __create_dir()
444 	return end_creating(dentry);  in __create_dir()
464 struct dentry *tracefs_create_dir(const char *name, struct dentry *parent)  in tracefs_create_dir()
486 __init struct dentry *tracefs_create_instance_dir(const char *name,  in tracefs_create_instance_dir()
487 					  struct dentry *parent,  in tracefs_create_instance_dir()
491 	struct dentry *dentry;  in tracefs_create_instance_dir()  local
497 	dentry = __create_dir(name, parent, &tracefs_dir_inode_operations);  in tracefs_create_instance_dir()
498 	if (!dentry)  in tracefs_create_instance_dir()
504 	return dentry;  in tracefs_create_instance_dir()
507 static void remove_one(struct dentry *victim)  in remove_one()
520 void tracefs_remove(struct dentry *dentry)  in tracefs_remove()  argument
522 	if (IS_ERR_OR_NULL(dentry))  in tracefs_remove()
526 	simple_recursive_removal(dentry, remove_one);  in tracefs_remove()