1480 int may_open(struct path *path, int acc_mode, int flag)  in may_open()  argument
1501 	    	flag &= ~O_TRUNC;  in may_open()
1506 		flag &= ~O_TRUNC;  in may_open()
1516 		if  ((flag & FMODE_WRITE) && !(flag & O_APPEND))  in may_open()
1518 		if (flag & O_TRUNC)  in may_open()
1523 	if (flag & O_NOATIME)  in may_open()
1530 	error = break_lease(inode, flag);  in may_open()
1534 	if (flag & O_TRUNC) {  in may_open()
1557 		if (flag & FMODE_WRITE)  in may_open()
1569 				int flag, int mode)  in __open_namei_create()  argument
1587 	return may_open(&nd->path, 0, flag & ~O_TRUNC);  in __open_namei_create()
1607 static inline int open_to_namei_flags(int flag)  in open_to_namei_flags()  argument
1609 	if ((flag+1) & O_ACCMODE)  in open_to_namei_flags()
1610 		flag++;  in open_to_namei_flags()
1611 	return flag;  in open_to_namei_flags()
1614 static int open_will_write_to_fs(int flag, struct inode *inode)  in open_will_write_to_fs()  argument
1622 	return (flag & O_TRUNC);  in open_will_write_to_fs()
1640 	int flag = open_to_namei_flags(open_flag);  in do_filp_open()  local
1642 	acc_mode = MAY_OPEN | ACC_MODE(flag);  in do_filp_open()
1645 	if (flag & O_TRUNC)  in do_filp_open()
1650 	if (flag & O_APPEND)  in do_filp_open()
1656 	if (!(flag & O_CREAT)) {  in do_filp_open()
1657 		error = path_lookup_open(dfd, pathname, lookup_flags(flag),  in do_filp_open()
1658 					 &nd, flag);  in do_filp_open()
1685 	nd.intent.open.flags = flag;  in do_filp_open()
1690 	if (flag & O_EXCL)  in do_filp_open()
1720 		error = __open_namei_create(&nd, &path, flag, mode);  in do_filp_open()
1737 	if (flag & O_EXCL)  in do_filp_open()
1742 		if (flag & O_NOFOLLOW)  in do_filp_open()
1767 	will_write = open_will_write_to_fs(flag, nd.path.dentry->d_inode);  in do_filp_open()
1773 	error = may_open(&nd.path, acc_mode, flag);  in do_filp_open()
1802 	if (flag & O_NOFOLLOW)  in do_filp_open()
2294 SYSCALL_DEFINE3(unlinkat, int, dfd, const char __user *, pathname, int, flag)  in SYSCALL_DEFINE3()  argument
2296 	if ((flag & ~AT_REMOVEDIR) != 0)  in SYSCALL_DEFINE3()
2299 	if (flag & AT_REMOVEDIR)  in SYSCALL_DEFINE3()