1 files changed, 0 insertions, 77 deletions
diff --git a/ANDROID_3.4.5/fs/romfs/mmap-nommu.c b/ANDROID_3.4.5/fs/romfs/mmap-nommu.c
deleted file mode 100644
index e1a7779d..00000000
--- a/ANDROID_3.4.5/fs/romfs/mmap-nommu.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* NOMMU mmap support for RomFS on MTD devices
- *
- * Copyright © 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program 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 of the License, or (at your option) any later version.
- */
-
-#include <linux/mm.h>
-#include <linux/mtd/super.h>
-#include "internal.h"
-
-/*
- * try to determine where a shared mapping can be made
- * - only supported for NOMMU at the moment (MMU can't doesn't copy private
- *   mappings)
- * - attempts to map through to the underlying MTD device
- */
-static unsigned long romfs_get_unmapped_area(struct file *file,
-					     unsigned long addr,
-					     unsigned long len,
-					     unsigned long pgoff,
-					     unsigned long flags)
-{
-	struct inode *inode = file->f_mapping->host;
-	struct mtd_info *mtd = inode->i_sb->s_mtd;
-	unsigned long isize, offset, maxpages, lpages;
-	int ret;
-
-	if (!mtd)
-		return (unsigned long) -ENOSYS;
-
-	/* the mapping mustn't extend beyond the EOF */
-	lpages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	isize = i_size_read(inode);
-	offset = pgoff << PAGE_SHIFT;
-
-	maxpages = (isize + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	if ((pgoff >= maxpages) || (maxpages - pgoff < lpages))
-		return (unsigned long) -EINVAL;
-
-	if (addr != 0)
-		return (unsigned long) -EINVAL;
-
-	if (len > mtd->size || pgoff >= (mtd->size >> PAGE_SHIFT))
-		return (unsigned long) -EINVAL;
-
-	offset += ROMFS_I(inode)->i_dataoffset;
-	if (offset > mtd->size - len)
-		return (unsigned long) -EINVAL;
-
-	ret = mtd_get_unmapped_area(mtd, len, offset, flags);
-	if (ret == -EOPNOTSUPP)
-		ret = -ENOSYS;
-	return (unsigned long) ret;
-}
-
-/*
- * permit a R/O mapping to be made directly through onto an MTD device if
- * possible
- */
-static int romfs_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	return vma->vm_flags & (VM_SHARED | VM_MAYSHARE) ? 0 : -ENOSYS;
-}
-
-const struct file_operations romfs_ro_fops = {
-	.llseek			= generic_file_llseek,
-	.read			= do_sync_read,
-	.aio_read		= generic_file_aio_read,
-	.splice_read		= generic_file_splice_read,
-	.mmap			= romfs_mmap,
-	.get_unmapped_area	= romfs_get_unmapped_area,
-};