Reverted changes related to io_map_segment.

1 files changed, 0 insertions, 78 deletions

diff --git a/libdiskfs/io-map-segment.c b/libdiskfs/io-map-segment.c
deleted file mode 100644
index 4245602d..00000000
--- a/libdiskfs/io-map-segment.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* 
-   Copyright (C) 1999 Free Software Foundation, Inc.
-   Written by Thomas Bushnell, BSG.
-
-   This file is part of the GNU Hurd.
-
-   The GNU Hurd is free software; you can redistribute it and/or
-   modify it under the terms of the GNU General Public License as
-   published by the Free Software Foundation; either version 2, or (at
-   your option) any later version.
-
-   The GNU Hurd 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
-   General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
-
-#include <fcntl.h>
-
-#include "priv.h"
-#include "io_S.h"
-
-/* Implement io_map as described in <hurd/io.defs>. */
-kern_return_t
-diskfs_S_io_map_segment (struct protid *cred,
-			 int index,
-			 memory_object_t *rdobj,
-			 mach_msg_type_name_t *rdtype,
-			 memory_object_t *wrobj,
-			 mach_msg_type_name_t *wrtype)
-{
-  int flags;
-  struct node *node;
-
-  if (!cred)
-    return EOPNOTSUPP;
-
-  *wrobj = *rdobj = MACH_PORT_NULL;
-
-  node = cred->po->np;
-  flags = cred->po->openstat & (O_READ | O_WRITE);
-
-  mutex_lock (&node->lock);
-  switch (flags)
-    {
-    case O_READ | O_WRITE:
-      *wrobj = *rdobj = diskfs_get_filemap (node, index, 
-					    VM_PROT_READ |VM_PROT_WRITE);
-      if (*wrobj == MACH_PORT_NULL)
-	goto error;
-      mach_port_mod_refs (mach_task_self (), *rdobj, MACH_PORT_RIGHT_SEND, 1);
-      break;
-    case O_READ:
-      *rdobj = diskfs_get_filemap (node, index, VM_PROT_READ);
-      if (*rdobj == MACH_PORT_NULL)
-	goto error;
-      break;
-    case O_WRITE:
-      *wrobj = diskfs_get_filemap (node, index, VM_PROT_WRITE);
-      if (*wrobj == MACH_PORT_NULL)
-	goto error;
-      break;
-    }
-  mutex_unlock (&node->lock);
-
-  *rdtype = MACH_MSG_TYPE_MOVE_SEND;
-  *wrtype = MACH_MSG_TYPE_MOVE_SEND;
-
-  return 0;
-  
-error:
-  mutex_unlock (&node->lock);
-  return errno;
-}
-