do_sys_open      1211 fs/compat.c    	return do_sys_open(AT_FDCWD, filename, flags, mode);
do_sys_open      1221 fs/compat.c    	return do_sys_open(dfd, filename, flags, mode);
do_sys_open      1039 fs/open.c      	ret = do_sys_open(AT_FDCWD, filename, flags, mode);
do_sys_open      1053 fs/open.c      	ret = do_sys_open(dfd, filename, flags, mode);
do_sys_open      1689 include/linux/fs.h extern long do_sys_open(int dfd, const char __user *filename, int flags,