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, 374 deletions

diff --git a/ANDROID_3.4.5/fs/bfs/dir.c b/ANDROID_3.4.5/fs/bfs/dir.c
deleted file mode 100644
index d12c7966..00000000
--- a/ANDROID_3.4.5/fs/bfs/dir.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- *	fs/bfs/dir.c
- *	BFS directory operations.
- *	Copyright (C) 1999,2000  Tigran Aivazian <tigran@veritas.com>
- *      Made endianness-clean by Andrew Stribblehill <ads@wompom.org> 2005
- */
-
-#include <linux/time.h>
-#include <linux/string.h>
-#include <linux/fs.h>
-#include <linux/buffer_head.h>
-#include <linux/sched.h>
-#include "bfs.h"
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define dprintf(x...)	printf(x)
-#else
-#define dprintf(x...)
-#endif
-
-static int bfs_add_entry(struct inode *dir, const unsigned char *name,
-						int namelen, int ino);
-static struct buffer_head *bfs_find_entry(struct inode *dir,
-				const unsigned char *name, int namelen,
-				struct bfs_dirent **res_dir);
-
-static int bfs_readdir(struct file *f, void *dirent, filldir_t filldir)
-{
-	struct inode *dir = f->f_path.dentry->d_inode;
-	struct buffer_head *bh;
-	struct bfs_dirent *de;
-	struct bfs_sb_info *info = BFS_SB(dir->i_sb);
-	unsigned int offset;
-	int block;
-
-	mutex_lock(&info->bfs_lock);
-
-	if (f->f_pos & (BFS_DIRENT_SIZE - 1)) {
-		printf("Bad f_pos=%08lx for %s:%08lx\n",
-					(unsigned long)f->f_pos,
-					dir->i_sb->s_id, dir->i_ino);
-		mutex_unlock(&info->bfs_lock);
-		return -EBADF;
-	}
-
-	while (f->f_pos < dir->i_size) {
-		offset = f->f_pos & (BFS_BSIZE - 1);
-		block = BFS_I(dir)->i_sblock + (f->f_pos >> BFS_BSIZE_BITS);
-		bh = sb_bread(dir->i_sb, block);
-		if (!bh) {
-			f->f_pos += BFS_BSIZE - offset;
-			continue;
-		}
-		do {
-			de = (struct bfs_dirent *)(bh->b_data + offset);
-			if (de->ino) {
-				int size = strnlen(de->name, BFS_NAMELEN);
-				if (filldir(dirent, de->name, size, f->f_pos,
-						le16_to_cpu(de->ino),
-						DT_UNKNOWN) < 0) {
-					brelse(bh);
-					mutex_unlock(&info->bfs_lock);
-					return 0;
-				}
-			}
-			offset += BFS_DIRENT_SIZE;
-			f->f_pos += BFS_DIRENT_SIZE;
-		} while ((offset < BFS_BSIZE) && (f->f_pos < dir->i_size));
-		brelse(bh);
-	}
-
-	mutex_unlock(&info->bfs_lock);
-	return 0;	
-}
-
-const struct file_operations bfs_dir_operations = {
-	.read		= generic_read_dir,
-	.readdir	= bfs_readdir,
-	.fsync		= generic_file_fsync,
-	.llseek		= generic_file_llseek,
-};
-
-extern void dump_imap(const char *, struct super_block *);
-
-static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-						struct nameidata *nd)
-{
-	int err;
-	struct inode *inode;
-	struct super_block *s = dir->i_sb;
-	struct bfs_sb_info *info = BFS_SB(s);
-	unsigned long ino;
-
-	inode = new_inode(s);
-	if (!inode)
-		return -ENOSPC;
-	mutex_lock(&info->bfs_lock);
-	ino = find_first_zero_bit(info->si_imap, info->si_lasti + 1);
-	if (ino > info->si_lasti) {
-		mutex_unlock(&info->bfs_lock);
-		iput(inode);
-		return -ENOSPC;
-	}
-	set_bit(ino, info->si_imap);
-	info->si_freei--;
-	inode_init_owner(inode, dir, mode);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
-	inode->i_blocks = 0;
-	inode->i_op = &bfs_file_inops;
-	inode->i_fop = &bfs_file_operations;
-	inode->i_mapping->a_ops = &bfs_aops;
-	inode->i_ino = ino;
-	BFS_I(inode)->i_dsk_ino = ino;
-	BFS_I(inode)->i_sblock = 0;
-	BFS_I(inode)->i_eblock = 0;
-	insert_inode_hash(inode);
-        mark_inode_dirty(inode);
-	dump_imap("create", s);
-
-	err = bfs_add_entry(dir, dentry->d_name.name, dentry->d_name.len,
-							inode->i_ino);
-	if (err) {
-		inode_dec_link_count(inode);
-		mutex_unlock(&info->bfs_lock);
-		iput(inode);
-		return err;
-	}
-	mutex_unlock(&info->bfs_lock);
-	d_instantiate(dentry, inode);
-	return 0;
-}
-
-static struct dentry *bfs_lookup(struct inode *dir, struct dentry *dentry,
-						struct nameidata *nd)
-{
-	struct inode *inode = NULL;
-	struct buffer_head *bh;
-	struct bfs_dirent *de;
-	struct bfs_sb_info *info = BFS_SB(dir->i_sb);
-
-	if (dentry->d_name.len > BFS_NAMELEN)
-		return ERR_PTR(-ENAMETOOLONG);
-
-	mutex_lock(&info->bfs_lock);
-	bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
-	if (bh) {
-		unsigned long ino = (unsigned long)le16_to_cpu(de->ino);
-		brelse(bh);
-		inode = bfs_iget(dir->i_sb, ino);
-		if (IS_ERR(inode)) {
-			mutex_unlock(&info->bfs_lock);
-			return ERR_CAST(inode);
-		}
-	}
-	mutex_unlock(&info->bfs_lock);
-	d_add(dentry, inode);
-	return NULL;
-}
-
-static int bfs_link(struct dentry *old, struct inode *dir,
-						struct dentry *new)
-{
-	struct inode *inode = old->d_inode;
-	struct bfs_sb_info *info = BFS_SB(inode->i_sb);
-	int err;
-
-	mutex_lock(&info->bfs_lock);
-	err = bfs_add_entry(dir, new->d_name.name, new->d_name.len,
-							inode->i_ino);
-	if (err) {
-		mutex_unlock(&info->bfs_lock);
-		return err;
-	}
-	inc_nlink(inode);
-	inode->i_ctime = CURRENT_TIME_SEC;
-	mark_inode_dirty(inode);
-	ihold(inode);
-	d_instantiate(new, inode);
-	mutex_unlock(&info->bfs_lock);
-	return 0;
-}
-
-static int bfs_unlink(struct inode *dir, struct dentry *dentry)
-{
-	int error = -ENOENT;
-	struct inode *inode = dentry->d_inode;
-	struct buffer_head *bh;
-	struct bfs_dirent *de;
-	struct bfs_sb_info *info = BFS_SB(inode->i_sb);
-
-	mutex_lock(&info->bfs_lock);
-	bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
-	if (!bh || (le16_to_cpu(de->ino) != inode->i_ino))
-		goto out_brelse;
-
-	if (!inode->i_nlink) {
-		printf("unlinking non-existent file %s:%lu (nlink=%d)\n",
-					inode->i_sb->s_id, inode->i_ino,
-					inode->i_nlink);
-		set_nlink(inode, 1);
-	}
-	de->ino = 0;
-	mark_buffer_dirty_inode(bh, dir);
-	dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
-	mark_inode_dirty(dir);
-	inode->i_ctime = dir->i_ctime;
-	inode_dec_link_count(inode);
-	error = 0;
-
-out_brelse:
-	brelse(bh);
-	mutex_unlock(&info->bfs_lock);
-	return error;
-}
-
-static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-			struct inode *new_dir, struct dentry *new_dentry)
-{
-	struct inode *old_inode, *new_inode;
-	struct buffer_head *old_bh, *new_bh;
-	struct bfs_dirent *old_de, *new_de;
-	struct bfs_sb_info *info;
-	int error = -ENOENT;
-
-	old_bh = new_bh = NULL;
-	old_inode = old_dentry->d_inode;
-	if (S_ISDIR(old_inode->i_mode))
-		return -EINVAL;
-
-	info = BFS_SB(old_inode->i_sb);
-
-	mutex_lock(&info->bfs_lock);
-	old_bh = bfs_find_entry(old_dir, 
-				old_dentry->d_name.name, 
-				old_dentry->d_name.len, &old_de);
-
-	if (!old_bh || (le16_to_cpu(old_de->ino) != old_inode->i_ino))
-		goto end_rename;
-
-	error = -EPERM;
-	new_inode = new_dentry->d_inode;
-	new_bh = bfs_find_entry(new_dir, 
-				new_dentry->d_name.name, 
-				new_dentry->d_name.len, &new_de);
-
-	if (new_bh && !new_inode) {
-		brelse(new_bh);
-		new_bh = NULL;
-	}
-	if (!new_bh) {
-		error = bfs_add_entry(new_dir, 
-					new_dentry->d_name.name,
-					new_dentry->d_name.len,
-					old_inode->i_ino);
-		if (error)
-			goto end_rename;
-	}
-	old_de->ino = 0;
-	old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME_SEC;
-	mark_inode_dirty(old_dir);
-	if (new_inode) {
-		new_inode->i_ctime = CURRENT_TIME_SEC;
-		inode_dec_link_count(new_inode);
-	}
-	mark_buffer_dirty_inode(old_bh, old_dir);
-	error = 0;
-
-end_rename:
-	mutex_unlock(&info->bfs_lock);
-	brelse(old_bh);
-	brelse(new_bh);
-	return error;
-}
-
-const struct inode_operations bfs_dir_inops = {
-	.create			= bfs_create,
-	.lookup			= bfs_lookup,
-	.link			= bfs_link,
-	.unlink			= bfs_unlink,
-	.rename			= bfs_rename,
-};
-
-static int bfs_add_entry(struct inode *dir, const unsigned char *name,
-							int namelen, int ino)
-{
-	struct buffer_head *bh;
-	struct bfs_dirent *de;
-	int block, sblock, eblock, off, pos;
-	int i;
-
-	dprintf("name=%s, namelen=%d\n", name, namelen);
-
-	if (!namelen)
-		return -ENOENT;
-	if (namelen > BFS_NAMELEN)
-		return -ENAMETOOLONG;
-
-	sblock = BFS_I(dir)->i_sblock;
-	eblock = BFS_I(dir)->i_eblock;
-	for (block = sblock; block <= eblock; block++) {
-		bh = sb_bread(dir->i_sb, block);
-		if (!bh)
-			return -ENOSPC;
-		for (off = 0; off < BFS_BSIZE; off += BFS_DIRENT_SIZE) {
-			de = (struct bfs_dirent *)(bh->b_data + off);
-			if (!de->ino) {
-				pos = (block - sblock) * BFS_BSIZE + off;
-				if (pos >= dir->i_size) {
-					dir->i_size += BFS_DIRENT_SIZE;
-					dir->i_ctime = CURRENT_TIME_SEC;
-				}
-				dir->i_mtime = CURRENT_TIME_SEC;
-				mark_inode_dirty(dir);
-				de->ino = cpu_to_le16((u16)ino);
-				for (i = 0; i < BFS_NAMELEN; i++)
-					de->name[i] =
-						(i < namelen) ? name[i] : 0;
-				mark_buffer_dirty_inode(bh, dir);
-				brelse(bh);
-				return 0;
-			}
-		}
-		brelse(bh);
-	}
-	return -ENOSPC;
-}
-
-static inline int bfs_namecmp(int len, const unsigned char *name,
-							const char *buffer)
-{
-	if ((len < BFS_NAMELEN) && buffer[len])
-		return 0;
-	return !memcmp(name, buffer, len);
-}
-
-static struct buffer_head *bfs_find_entry(struct inode *dir,
-			const unsigned char *name, int namelen,
-			struct bfs_dirent **res_dir)
-{
-	unsigned long block = 0, offset = 0;
-	struct buffer_head *bh = NULL;
-	struct bfs_dirent *de;
-
-	*res_dir = NULL;
-	if (namelen > BFS_NAMELEN)
-		return NULL;
-
-	while (block * BFS_BSIZE + offset < dir->i_size) {
-		if (!bh) {
-			bh = sb_bread(dir->i_sb, BFS_I(dir)->i_sblock + block);
-			if (!bh) {
-				block++;
-				continue;
-			}
-		}
-		de = (struct bfs_dirent *)(bh->b_data + offset);
-		offset += BFS_DIRENT_SIZE;
-		if (le16_to_cpu(de->ino) &&
-				bfs_namecmp(namelen, name, de->name)) {
-			*res_dir = de;
-			return bh;
-		}
-		if (offset < bh->b_size)
-			continue;
-		brelse(bh);
-		bh = NULL;
-		offset = 0;
-		block++;
-	}
-	brelse(bh);
-	return NULL;
-}