open_by_handle_at 256 fs/fhandle.c SYSCALL_DEFINE3(open_by_handle_at, int, mountdirfd, open_by_handle_at 274 fs/fhandle.c COMPAT_SYSCALL_DEFINE3(open_by_handle_at, int, mountdirfd, open_by_handle_at 312 kernel/sys_ni.c COND_SYSCALL(open_by_handle_at); open_by_handle_at 313 kernel/sys_ni.c COND_SYSCALL_COMPAT(open_by_handle_at);