Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 352 deletions

diff --git a/ANDROID_3.4.5/fs/9p/vfs_addr.c b/ANDROID_3.4.5/fs/9p/vfs_addr.c
deleted file mode 100644
index 0ad61c6a..00000000
--- a/ANDROID_3.4.5/fs/9p/vfs_addr.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- *  linux/fs/9p/vfs_addr.c
- *
- * This file contians vfs address (mmap) ops for 9P2000.
- *
- *  Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
- *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program 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:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/stat.h>
-#include <linux/string.h>
-#include <linux/inet.h>
-#include <linux/pagemap.h>
-#include <linux/idr.h>
-#include <linux/sched.h>
-#include <net/9p/9p.h>
-#include <net/9p/client.h>
-
-#include "v9fs.h"
-#include "v9fs_vfs.h"
-#include "cache.h"
-#include "fid.h"
-
-/**
- * v9fs_fid_readpage - read an entire page in from 9P
- *
- * @fid: fid being read
- * @page: structure to page
- *
- */
-static int v9fs_fid_readpage(struct p9_fid *fid, struct page *page)
-{
-	int retval;
-	loff_t offset;
-	char *buffer;
-	struct inode *inode;
-
-	inode = page->mapping->host;
-	p9_debug(P9_DEBUG_VFS, "\n");
-
-	BUG_ON(!PageLocked(page));
-
-	retval = v9fs_readpage_from_fscache(inode, page);
-	if (retval == 0)
-		return retval;
-
-	buffer = kmap(page);
-	offset = page_offset(page);
-
-	retval = v9fs_fid_readn(fid, buffer, NULL, PAGE_CACHE_SIZE, offset);
-	if (retval < 0) {
-		v9fs_uncache_page(inode, page);
-		goto done;
-	}
-
-	memset(buffer + retval, 0, PAGE_CACHE_SIZE - retval);
-	flush_dcache_page(page);
-	SetPageUptodate(page);
-
-	v9fs_readpage_to_fscache(inode, page);
-	retval = 0;
-
-done:
-	kunmap(page);
-	unlock_page(page);
-	return retval;
-}
-
-/**
- * v9fs_vfs_readpage - read an entire page in from 9P
- *
- * @filp: file being read
- * @page: structure to page
- *
- */
-
-static int v9fs_vfs_readpage(struct file *filp, struct page *page)
-{
-	return v9fs_fid_readpage(filp->private_data, page);
-}
-
-/**
- * v9fs_vfs_readpages - read a set of pages from 9P
- *
- * @filp: file being read
- * @mapping: the address space
- * @pages: list of pages to read
- * @nr_pages: count of pages to read
- *
- */
-
-static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping,
-			     struct list_head *pages, unsigned nr_pages)
-{
-	int ret = 0;
-	struct inode *inode;
-
-	inode = mapping->host;
-	p9_debug(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, filp);
-
-	ret = v9fs_readpages_from_fscache(inode, mapping, pages, &nr_pages);
-	if (ret == 0)
-		return ret;
-
-	ret = read_cache_pages(mapping, pages, (void *)v9fs_vfs_readpage, filp);
-	p9_debug(P9_DEBUG_VFS, "  = %d\n", ret);
-	return ret;
-}
-
-/**
- * v9fs_release_page - release the private state associated with a page
- *
- * Returns 1 if the page can be released, false otherwise.
- */
-
-static int v9fs_release_page(struct page *page, gfp_t gfp)
-{
-	if (PagePrivate(page))
-		return 0;
-	return v9fs_fscache_release_page(page, gfp);
-}
-
-/**
- * v9fs_invalidate_page - Invalidate a page completely or partially
- *
- * @page: structure to page
- * @offset: offset in the page
- */
-
-static void v9fs_invalidate_page(struct page *page, unsigned long offset)
-{
-	/*
-	 * If called with zero offset, we should release
-	 * the private state assocated with the page
-	 */
-	if (offset == 0)
-		v9fs_fscache_invalidate_page(page);
-}
-
-static int v9fs_vfs_writepage_locked(struct page *page)
-{
-	char *buffer;
-	int retval, len;
-	loff_t offset, size;
-	mm_segment_t old_fs;
-	struct v9fs_inode *v9inode;
-	struct inode *inode = page->mapping->host;
-
-	v9inode = V9FS_I(inode);
-	size = i_size_read(inode);
-	if (page->index == size >> PAGE_CACHE_SHIFT)
-		len = size & ~PAGE_CACHE_MASK;
-	else
-		len = PAGE_CACHE_SIZE;
-
-	set_page_writeback(page);
-
-	buffer = kmap(page);
-	offset = page_offset(page);
-
-	old_fs = get_fs();
-	set_fs(get_ds());
-	/* We should have writeback_fid always set */
-	BUG_ON(!v9inode->writeback_fid);
-
-	retval = v9fs_file_write_internal(inode,
-					  v9inode->writeback_fid,
-					  (__force const char __user *)buffer,
-					  len, &offset, 0);
-	if (retval > 0)
-		retval = 0;
-
-	set_fs(old_fs);
-	kunmap(page);
-	end_page_writeback(page);
-	return retval;
-}
-
-static int v9fs_vfs_writepage(struct page *page, struct writeback_control *wbc)
-{
-	int retval;
-
-	retval = v9fs_vfs_writepage_locked(page);
-	if (retval < 0) {
-		if (retval == -EAGAIN) {
-			redirty_page_for_writepage(wbc, page);
-			retval = 0;
-		} else {
-			SetPageError(page);
-			mapping_set_error(page->mapping, retval);
-		}
-	} else
-		retval = 0;
-
-	unlock_page(page);
-	return retval;
-}
-
-/**
- * v9fs_launder_page - Writeback a dirty page
- * Returns 0 on success.
- */
-
-static int v9fs_launder_page(struct page *page)
-{
-	int retval;
-	struct inode *inode = page->mapping->host;
-
-	v9fs_fscache_wait_on_page_write(inode, page);
-	if (clear_page_dirty_for_io(page)) {
-		retval = v9fs_vfs_writepage_locked(page);
-		if (retval)
-			return retval;
-	}
-	return 0;
-}
-
-/**
- * v9fs_direct_IO - 9P address space operation for direct I/O
- * @rw: direction (read or write)
- * @iocb: target I/O control block
- * @iov: array of vectors that define I/O buffer
- * @pos: offset in file to begin the operation
- * @nr_segs: size of iovec array
- *
- * The presence of v9fs_direct_IO() in the address space ops vector
- * allowes open() O_DIRECT flags which would have failed otherwise.
- *
- * In the non-cached mode, we shunt off direct read and write requests before
- * the VFS gets them, so this method should never be called.
- *
- * Direct IO is not 'yet' supported in the cached mode. Hence when
- * this routine is called through generic_file_aio_read(), the read/write fails
- * with an error.
- *
- */
-static ssize_t
-v9fs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
-	       loff_t pos, unsigned long nr_segs)
-{
-	/*
-	 * FIXME
-	 * Now that we do caching with cache mode enabled, We need
-	 * to support direct IO
-	 */
-	p9_debug(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%s) off/no(%lld/%lu) EINVAL\n",
-		 iocb->ki_filp->f_path.dentry->d_name.name,
-		 (long long)pos, nr_segs);
-
-	return -EINVAL;
-}
-
-static int v9fs_write_begin(struct file *filp, struct address_space *mapping,
-			    loff_t pos, unsigned len, unsigned flags,
-			    struct page **pagep, void **fsdata)
-{
-	int retval = 0;
-	struct page *page;
-	struct v9fs_inode *v9inode;
-	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-	struct inode *inode = mapping->host;
-
-	v9inode = V9FS_I(inode);
-start:
-	page = grab_cache_page_write_begin(mapping, index, flags);
-	if (!page) {
-		retval = -ENOMEM;
-		goto out;
-	}
-	BUG_ON(!v9inode->writeback_fid);
-	if (PageUptodate(page))
-		goto out;
-
-	if (len == PAGE_CACHE_SIZE)
-		goto out;
-
-	retval = v9fs_fid_readpage(v9inode->writeback_fid, page);
-	page_cache_release(page);
-	if (!retval)
-		goto start;
-out:
-	*pagep = page;
-	return retval;
-}
-
-static int v9fs_write_end(struct file *filp, struct address_space *mapping,
-			  loff_t pos, unsigned len, unsigned copied,
-			  struct page *page, void *fsdata)
-{
-	loff_t last_pos = pos + copied;
-	struct inode *inode = page->mapping->host;
-
-	if (unlikely(copied < len)) {
-		/*
-		 * zero out the rest of the area
-		 */
-		unsigned from = pos & (PAGE_CACHE_SIZE - 1);
-
-		zero_user(page, from + copied, len - copied);
-		flush_dcache_page(page);
-	}
-
-	if (!PageUptodate(page))
-		SetPageUptodate(page);
-	/*
-	 * No need to use i_size_read() here, the i_size
-	 * cannot change under us because we hold the i_mutex.
-	 */
-	if (last_pos > inode->i_size) {
-		inode_add_bytes(inode, last_pos - inode->i_size);
-		i_size_write(inode, last_pos);
-	}
-	set_page_dirty(page);
-	unlock_page(page);
-	page_cache_release(page);
-
-	return copied;
-}
-
-
-const struct address_space_operations v9fs_addr_operations = {
-	.readpage = v9fs_vfs_readpage,
-	.readpages = v9fs_vfs_readpages,
-	.set_page_dirty = __set_page_dirty_nobuffers,
-	.writepage = v9fs_vfs_writepage,
-	.write_begin = v9fs_write_begin,
-	.write_end = v9fs_write_end,
-	.releasepage = v9fs_release_page,
-	.invalidatepage = v9fs_invalidate_page,
-	.launder_page = v9fs_launder_page,
-	.direct_IO = v9fs_direct_IO,
-};