1 files changed, 0 insertions, 122 deletions
diff --git a/sysdeps/posix/posix_fallocate.c b/sysdeps/posix/posix_fallocate.c
deleted file mode 100644
index f87f536bd9..0000000000
--- a/sysdeps/posix/posix_fallocate.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* Copyright (C) 2000-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <sys/fcntl.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
-
-/* Reserve storage for the data of the file associated with FD.  This
-   emulation is far from perfect, but the kernel cannot do not much
-   better for network file systems, either.  */
-
-int
-posix_fallocate (int fd, __off_t offset, __off_t len)
-{
-  struct stat64 st;
-
-  if (offset < 0 || len < 0)
-    return EINVAL;
-
-  /* Perform overflow check.  The outer cast relies on a GCC
-     extension.  */
-  if ((__off_t) ((uint64_t) offset + (uint64_t) len) < 0)
-    return EFBIG;
-
-  /* pwrite below will not do the right thing in O_APPEND mode.  */
-  {
-    int flags = __fcntl (fd, F_GETFL, 0);
-    if (flags < 0 || (flags & O_APPEND) != 0)
-      return EBADF;
-  }
-
-  /* We have to make sure that this is really a regular file.  */
-  if (__fxstat64 (_STAT_VER, fd, &st) != 0)
-    return EBADF;
-  if (S_ISFIFO (st.st_mode))
-    return ESPIPE;
-  if (! S_ISREG (st.st_mode))
-    return ENODEV;
-
-  if (len == 0)
-    {
-      /* This is racy, but there is no good way to satisfy a
-	 zero-length allocation request.  */
-      if (st.st_size < offset)
-	{
-	  int ret = __ftruncate (fd, offset);
-
-	  if (ret != 0)
-	    ret = errno;
-	  return ret;
-	}
-      return 0;
-    }
-
-  /* Minimize data transfer for network file systems, by issuing
-     single-byte write requests spaced by the file system block size.
-     (Most local file systems have fallocate support, so this fallback
-     code is not used there.)  */
-
-  unsigned increment;
-  {
-    struct statfs64 f;
-
-    if (__fstatfs64 (fd, &f) != 0)
-      return errno;
-    if (f.f_bsize == 0)
-      increment = 512;
-    else if (f.f_bsize < 4096)
-      increment = f.f_bsize;
-    else
-      /* NFS does not propagate the block size of the underlying
-	 storage and may report a much larger value which would still
-	 leave holes after the loop below, so we cap the increment at
-	 4096.  */
-      increment = 4096;
-  }
-
-  /* Write a null byte to every block.  This is racy; we currently
-     lack a better option.  Compare-and-swap against a file mapping
-     might additional local races, but requires interposition of a
-     signal handler to catch SIGBUS.  */
-  for (offset += (len - 1) % increment; len > 0; offset += increment)
-    {
-      len -= increment;
-
-      if (offset < st.st_size)
-	{
-	  unsigned char c;
-	  ssize_t rsize = __pread (fd, &c, 1, offset);
-
-	  if (rsize < 0)
-	    return errno;
-	  /* If there is a non-zero byte, the block must have been
-	     allocated already.  */
-	  else if (rsize == 1 && c != 0)
-	    continue;
-	}
-
-      if (__pwrite (fd, "", 1, offset) != 1)
-	return errno;
-    }
-
-  return 0;
-}