do_linkat 74 fs/internal.h int do_linkat(int olddfd, const char __user *oldname, int newdfd, do_linkat 4328 fs/namei.c return do_linkat(olddfd, oldname, newdfd, newname, flags); do_linkat 4333 fs/namei.c return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0); do_linkat 1319 include/linux/syscalls.h extern int do_linkat(int olddfd, const char __user *oldname, int newdfd, do_linkat 1325 include/linux/syscalls.h return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);