The branch main has been updated by imp:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=0527c9bdc7187a0b92511f021dcdbbac84f1c579

commit 0527c9bdc7187a0b92511f021dcdbbac84f1c579
Author:     Warner Losh <[email protected]>
AuthorDate: 2023-10-31 20:55:58 +0000
Commit:     Warner Losh <[email protected]>
CommitDate: 2023-10-31 21:26:44 +0000

    ino64: Remove 'forward compat' code for this
    
    Forward compatibility code was added for running newer ino64 binaries on
    older kernels as a transition aide. Now that ino64 has been in the tree
    6 years, this code is no longer useful and should have been removed long
    ago.  Remove it now. Should be no user-visible changes at this point as
    all the 'upgrade' scenarios it was intended for are long since past.
    
    Also need to remove this stuff from rtld since the _foo versions
    no longer exist.
    
    Sponsored by:           Netflix
    Reviewed by:            kib
    Differential Revision:  https://reviews.freebsd.org/D42382
---
 UPDATING                                |  12 ++++
 lib/libc/sys/Makefile.inc               |   8 ---
 lib/libc/sys/compat-ino64.h             |  99 ---------------------------
 lib/libc/sys/fstat.c                    |  51 --------------
 lib/libc/sys/fstatat.c                  |  47 -------------
 lib/libc/sys/fstatfs.c                  |  51 --------------
 lib/libc/sys/getdents.c                 |   7 +-
 lib/libc/sys/getdirentries.c            | 114 --------------------------------
 lib/libc/sys/getfsstat.c                |  62 -----------------
 lib/libc/sys/lstat.c                    |  13 +---
 lib/libc/sys/stat.c                     |  13 +---
 lib/libc/sys/statfs.c                   |  47 -------------
 libexec/rtld-elf/rtld-libc/Makefile.inc |   4 +-
 13 files changed, 21 insertions(+), 507 deletions(-)

diff --git a/UPDATING b/UPDATING
index 722d7d66acbe..1ee0731742b3 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW:
        world, or to merely disable the most expensive debugging functionality
        at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20231027:
+       Forward compatibility (running the new code on old kernels) for the
+       "ino64" project have been removed. The need for it has passed long ago.
+
 20231018:
        Commit 57ce37f9dcd0 changed the internal KAPI between the
        nfscommon and nfscl modules.  Both must be rebuilt from sources.
@@ -1573,6 +1577,14 @@ 
https://lists.freebsd.org/archives/freebsd-current/2021-June/000153.html
        Switch back to the BSDL dtc (Device Tree Compiler). Set WITH_GPL_DTC
        if you require the GPL compiler.
 
+20170619:
+       Forward compatibility for the "ino64" project have been committed. This
+       will allow most new binaries to run on older kernels in a limited
+       fashion.  This prevents many of the common foot-shooting actions in the
+       upgrade as well as the limited ability to roll back the kernel across
+       the ino64 upgrade. Complicated use cases may not work properly, though
+       enough simpler ones work to allow recovery in most situations.
+
 20170618:
        The internal ABI used for communication between the NFS kernel modules
        was changed by r320085, so __FreeBSD_version was bumped to
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index f52487a3fef2..e9a9f8f5935c 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -38,14 +38,6 @@ SRCS+= getdents.c lstat.c mknod.c stat.c
 NOASM+=  sched_getcpu.o
 PSEUDO+= _sched_getcpu.o
 
-SRCS+= fstat.c fstatat.c fstatfs.c getfsstat.c statfs.c
-NOASM+= fstat.o fstatat.o fstatfs.o getfsstat.o statfs.o
-PSEUDO+= _fstat.o _fstatat.o _fstatfs.o _getfsstat.o _statfs.o
-
-SRCS+= getdirentries.c
-NOASM+= getdirentries.o
-PSEUDO+= _getdirentries.o
-
 SRCS+= brk.c
 SRCS+= closefrom.c
 SRCS+= pipe.c
diff --git a/lib/libc/sys/compat-ino64.h b/lib/libc/sys/compat-ino64.h
deleted file mode 100644
index ded3c6c64124..000000000000
--- a/lib/libc/sys/compat-ino64.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
- * Forward compatibility shim to convert old stat buffer to
- * new so we can call the old system call, but return data in
- * the new system call's format.
- */
-#define _WANT_FREEBSD11_STATFS
-#include <sys/fcntl.h>
-#include <sys/mount.h>
-
-#define _WANT_FREEBSD11_STAT
-#include <sys/stat.h>
-
-#include <string.h>
-
-#define INO64_FIRST 1200031
-
-static __inline void
-__stat11_to_stat(const struct freebsd11_stat *sb11, struct stat *sb)
-{
-
-       sb->st_dev = sb11->st_dev;
-       sb->st_ino = sb11->st_ino;
-       sb->st_nlink = sb11->st_nlink;
-       sb->st_mode = sb11->st_mode;
-       sb->st_uid = sb11->st_uid;
-       sb->st_gid = sb11->st_gid;
-       sb->st_rdev = sb11->st_rdev;
-       sb->st_atim = sb11->st_atim;
-       sb->st_mtim = sb11->st_mtim;
-       sb->st_ctim = sb11->st_ctim;
-#ifdef __STAT_TIME_T_EXT
-       sb->st_atim_ext = 0;
-       sb->st_mtim_ext = 0;
-       sb->st_ctim_ext = 0;
-       sb->st_btim_ext = 0;
-#endif
-       sb->st_birthtim = sb11->st_birthtim;
-       sb->st_size = sb11->st_size;
-       sb->st_blocks = sb11->st_blocks;
-       sb->st_blksize = sb11->st_blksize;
-       sb->st_flags = sb11->st_flags;
-       sb->st_gen = sb11->st_gen;
-       sb->st_padding0 = 0;
-       sb->st_padding1 = 0;
-       memset(sb->st_spare, 0, sizeof(sb->st_spare));
-}
-
-static __inline void
-__statfs11_to_statfs(const struct freebsd11_statfs *sf11, struct statfs *sf)
-{
-
-       sf->f_version = STATFS_VERSION;
-       sf->f_type = sf11->f_type;
-       sf->f_flags = sf11->f_flags;
-       sf->f_bsize = sf11->f_bsize;
-       sf->f_iosize = sf11->f_iosize;
-       sf->f_blocks = sf11->f_blocks;
-       sf->f_bfree = sf11->f_bfree;
-       sf->f_bavail = sf11->f_bavail;
-       sf->f_files = sf11->f_files;
-       sf->f_ffree = sf11->f_ffree;
-       sf->f_syncwrites = sf11->f_syncwrites;
-       sf->f_asyncwrites = sf11->f_asyncwrites;
-       sf->f_syncreads = sf11->f_syncreads;
-       sf->f_asyncreads = sf11->f_asyncreads;
-       sf->f_namemax = sf11->f_namemax;
-       sf->f_owner = sf11->f_owner;
-       sf->f_fsid = sf11->f_fsid;
-       memset(sf->f_spare, 0, sizeof(sf->f_spare));
-       memset(sf->f_charspare, 0, sizeof(sf->f_charspare));
-       strlcpy(sf->f_fstypename, sf11->f_fstypename, sizeof(sf->f_fstypename));
-       strlcpy(sf->f_mntfromname, sf11->f_mntfromname, 
sizeof(sf->f_mntfromname));
-       strlcpy(sf->f_mntonname, sf11->f_mntonname, sizeof(sf->f_mntonname));
-}
diff --git a/lib/libc/sys/fstat.c b/lib/libc/sys/fstat.c
deleted file mode 100644
index 4efeecfd0978..000000000000
--- a/lib/libc/sys/fstat.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/syscall.h>
-#include "compat-ino64.h"
-#include <unistd.h>
-
-#include "libc_private.h"
-
-#undef fstat
-__weak_reference(_fstat, fstat);
-
-#pragma weak _fstat
-int
-_fstat(int fd, struct stat *sb)
-{
-       struct freebsd11_stat stat11;
-       int rv;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_fstat(fd, sb));
-       rv = syscall(SYS_freebsd11_fstat, fd, &stat11);
-       if (rv == 0)
-               __stat11_to_stat(&stat11, sb);
-       return (rv);
-}
diff --git a/lib/libc/sys/fstatat.c b/lib/libc/sys/fstatat.c
deleted file mode 100644
index d83647f98da1..000000000000
--- a/lib/libc/sys/fstatat.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/syscall.h>
-#include "compat-ino64.h"
-#include <unistd.h>
-
-#include "libc_private.h"
-
-int
-fstatat(int fd, const char *path, struct stat *sb, int flag)
-{
-       struct freebsd11_stat stat11;
-       int rv;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_fstatat(fd, path, sb, flag));
-       rv = syscall(SYS_freebsd11_fstatat, fd, path, &stat11, flag);
-       if (rv == 0)
-               __stat11_to_stat(&stat11, sb);
-       return (rv);
-}
diff --git a/lib/libc/sys/fstatfs.c b/lib/libc/sys/fstatfs.c
deleted file mode 100644
index 517ba2a420b6..000000000000
--- a/lib/libc/sys/fstatfs.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/syscall.h>
-#include "compat-ino64.h"
-#include <unistd.h>
-
-#include "libc_private.h"
-
-#undef fstatfs
-__weak_reference(_fstatfs, fstatfs);
-
-#pragma weak _fstatfs
-int
-_fstatfs(int fd, struct statfs *buf)
-{
-       struct freebsd11_statfs statfs11;
-       int rv;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_fstatfs(fd, buf));
-       rv = syscall(SYS_freebsd11_fstatfs, fd, &statfs11);
-       if (rv == 0)
-               __statfs11_to_statfs(&statfs11, buf);
-       return (rv);
-}
diff --git a/lib/libc/sys/getdents.c b/lib/libc/sys/getdents.c
index b34b7003a729..673b7d62d1ee 100644
--- a/lib/libc/sys/getdents.c
+++ b/lib/libc/sys/getdents.c
@@ -34,11 +34,6 @@
 ssize_t
 getdents(int fd, char *buf, size_t nbytes)
 {
-       /*
-        * _getdirentries knows how to call the right thing and
-        * return it in the new format. It assumes that the entire
-        * libc expecting the new format.
-        */
 
-       return (_getdirentries(fd, buf, nbytes, NULL));
+       return (__sys_getdirentries(fd, buf, nbytes, NULL));
 }
diff --git a/lib/libc/sys/getdirentries.c b/lib/libc/sys/getdirentries.c
deleted file mode 100644
index 92f43e74cab7..000000000000
--- a/lib/libc/sys/getdirentries.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#define _WANT_FREEBSD11_DIRENT
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/syscall.h>
-#include "compat-ino64.h"
-#include <dirent.h>
-#include <errno.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include "libc_private.h"
-
-static ssize_t
-__cvt_dirents_from11(const char *de11, ssize_t len11, char *de, ssize_t len)
-{
-       struct dirent *dst;
-       const struct freebsd11_dirent *src;
-       const char *edst, *esrc;
-       ssize_t rlen;
-
-       src = (const struct freebsd11_dirent *)de11;
-       dst = (struct dirent *)de;
-       esrc = de11 + len11;
-       edst = de + len;
-       while ((const char *)src < esrc && (const char *)dst < edst) {
-               rlen = roundup(offsetof(struct dirent, d_name) + src->d_namlen 
+ 1, 8);
-               if ((const char *)dst + rlen >= edst)
-                       break;
-               dst->d_fileno = src->d_fileno;
-               dst->d_off = 0;                 /* nothing uses it yet, so safe 
for now */
-               dst->d_reclen = rlen;
-               dst->d_type = src->d_type;
-               dst->d_pad0 = 0;
-               dst->d_namlen = src->d_namlen;
-               dst->d_pad1 = 0;
-               memset(dst->d_name, 0, roundup(src->d_namlen + 1, 8));
-               memcpy(dst->d_name, src->d_name, src->d_namlen);
-               dst = (struct dirent *)((char *)dst + rlen);
-               src = (const struct freebsd11_dirent *)((const char *)src + 
src->d_reclen);
-       }
-       return ((char *)dst - de);
-}
-
-#undef getdirentries
-__weak_reference(_getdirentries, getdirentries);
-
-#pragma weak _getdirentries
-ssize_t
-_getdirentries(int fd, char *buf, size_t nbytes, off_t *basep)
-{
-       char *oldbuf;
-       size_t len;
-       ssize_t rv;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_getdirentries(fd, buf, nbytes, basep));
-
-       /*
-        * Because the old system call returns entries that are smaller than the
-        * new, we could wind up in a situation where we have too many to fit in
-        * the buffer with the new encoding. So sacrifice a small bit of
-        * efficiency to ensure that never happens. We pick 1/4 the size round
-        * up to the next DIRBLKSIZ. This will guarnatee enough room exists in
-        * the dst buffer due to changes in efficiency in packing dirent
-        * entries. We don't check against minimum block size to avoid a lot of
-        * stat calls, we'll see if that's wise or not.
-        * TBD: Will this difference matter to lseek?
-        */
-       len = roundup(nbytes / 4, DIRBLKSIZ);
-       oldbuf = malloc(len);
-       if (oldbuf == NULL) {
-               errno = EINVAL;         /* ENOMEM not in possible list */
-               return (-1);
-       }
-       rv = syscall(SYS_freebsd11_getdirentries, fd, oldbuf, len, basep);
-       if (rv == -1) {
-               free(oldbuf);
-               return (rv);
-       }
-       if (rv > 0)
-               rv = __cvt_dirents_from11(oldbuf, rv, buf, nbytes);
-       free(oldbuf);
-
-       return (rv);
-}
diff --git a/lib/libc/sys/getfsstat.c b/lib/libc/sys/getfsstat.c
deleted file mode 100644
index 60cd433c9d40..000000000000
--- a/lib/libc/sys/getfsstat.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include "namespace.h"
-#include <sys/param.h>
-#include "compat-ino64.h"
-#include <sys/errno.h>
-#include <sys/syscall.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "libc_private.h"
-
-int
-getfsstat(struct statfs *buf, long bufsize, int flags)
-{
-       struct freebsd11_statfs *statfs11 = NULL;
-       ssize_t len = 0;
-       int rv, i;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_getfsstat(buf, bufsize, flags));
-       if (buf != NULL) {
-               len = sizeof(struct freebsd11_statfs) * /* Round down on 
purpose to avoid */
-                   (bufsize / sizeof(struct statfs));  /* overflow on 
translation.       */
-               statfs11 = malloc(len);
-               if (statfs11 == NULL) {
-                       errno = ENOMEM;
-                       return (-1);
-               }
-       }
-       rv = syscall(SYS_freebsd11_getfsstat, statfs11, len, flags);
-       if (rv != -1 && buf != NULL) {
-               for (i = 0; i < rv; i++)
-                       __statfs11_to_statfs(&statfs11[i], &buf[i]);
-       }
-       free(statfs11);
-       return (rv);
-}
diff --git a/lib/libc/sys/lstat.c b/lib/libc/sys/lstat.c
index c9c3351e79fc..b335946d2f3c 100644
--- a/lib/libc/sys/lstat.c
+++ b/lib/libc/sys/lstat.c
@@ -27,22 +27,15 @@
 #include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
+#include <sys/fcntl.h>
 #include <sys/syscall.h>
-#include "compat-ino64.h"
+#include <sys/stat.h>
 #include <unistd.h>
-
 #include "libc_private.h"
 
 int
 lstat(const char *path, struct stat *sb)
 {
-       struct freebsd11_stat stat11;
-       int rv;
 
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_fstatat(AT_FDCWD, path, sb, AT_SYMLINK_NOFOLLOW));
-       rv = syscall(SYS_freebsd11_lstat, path, &stat11);
-       if (rv == 0)
-               __stat11_to_stat(&stat11, sb);
-       return (rv);
+       return (__sys_fstatat(AT_FDCWD, path, sb, AT_SYMLINK_NOFOLLOW));
 }
diff --git a/lib/libc/sys/stat.c b/lib/libc/sys/stat.c
index dc9ef16c79e7..88a4e784adff 100644
--- a/lib/libc/sys/stat.c
+++ b/lib/libc/sys/stat.c
@@ -27,22 +27,15 @@
 #include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
+#include <sys/fcntl.h>
 #include <sys/syscall.h>
-#include "compat-ino64.h"
+#include <sys/stat.h>
 #include <unistd.h>
-
 #include "libc_private.h"
 
 int
 stat(const char *path, struct stat *sb)
 {
-       struct freebsd11_stat stat11;
-       int rv;
 
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_fstatat(AT_FDCWD, path, sb, 0));
-       rv = syscall(SYS_freebsd11_stat, path, &stat11);
-       if (rv == 0)
-               __stat11_to_stat(&stat11, sb);
-       return (rv);
+       return (__sys_fstatat(AT_FDCWD, path, sb, 0));
 }
diff --git a/lib/libc/sys/statfs.c b/lib/libc/sys/statfs.c
deleted file mode 100644
index b8ac38b131ca..000000000000
--- a/lib/libc/sys/statfs.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-
- * Copyright (c) 2017 M. Warner Losh <[email protected]>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/syscall.h>
-#include "compat-ino64.h"
-#include <unistd.h>
-
-#include "libc_private.h"
-
-int
-statfs(const char *path, struct statfs *buf)
-{
-       struct freebsd11_statfs statfs11;
-       int rv;
-
-       if (__getosreldate() >= INO64_FIRST)
-               return (__sys_statfs(path, buf));
-       rv = syscall(SYS_freebsd11_statfs, path, &statfs11);
-       if (rv == 0)
-               __statfs11_to_statfs(&statfs11, buf);
-       return (rv);
-}
diff --git a/libexec/rtld-elf/rtld-libc/Makefile.inc 
b/libexec/rtld-elf/rtld-libc/Makefile.inc
index 91eb6f5cabec..c3a74fbecbdc 100644
--- a/libexec/rtld-elf/rtld-libc/Makefile.inc
+++ b/libexec/rtld-elf/rtld-libc/Makefile.inc
@@ -56,8 +56,8 @@ CFLAGS.strtok.c+=-Wno-cast-qual
 _libc_other_objects= sigsetjmp lstat stat fstat fstatat fstatfs syscall \
     cerror geteuid getegid sigfastblock munmap mprotect \
     sysarch __sysctl issetugid __getcwd utrace getpid \
-    thr_self thr_kill pread mmap lseek _exit _fstat _fstatat _fstatfs \
-    getdirentries _getdirentries _close _fcntl _open _openat _read \
+    thr_self thr_kill pread mmap lseek _exit \
+    getdirentries _close _fcntl _open _openat _read \
     _sigprocmask _write readlink __realpathat _setjmp setjmp setjmperr
 
 

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