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, 438 deletions

diff --git a/ANDROID_3.4.5/fs/qnx4/inode.c b/ANDROID_3.4.5/fs/qnx4/inode.c
deleted file mode 100644
index 552e994e..00000000
--- a/ANDROID_3.4.5/fs/qnx4/inode.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * QNX4 file system, Linux implementation.
- *
- * Version : 0.2.1
- *
- * Using parts of the xiafs filesystem.
- *
- * History :
- *
- * 01-06-1998 by Richard Frowijn : first release.
- * 20-06-1998 by Frank Denis : Linux 2.1.99+ support, boot signature, misc.
- * 30-06-1998 by Frank Denis : first step to write inodes.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/highuid.h>
-#include <linux/pagemap.h>
-#include <linux/buffer_head.h>
-#include <linux/writeback.h>
-#include <linux/statfs.h>
-#include "qnx4.h"
-
-#define QNX4_VERSION  4
-#define QNX4_BMNAME   ".bitmap"
-
-static const struct super_operations qnx4_sops;
-
-static void qnx4_put_super(struct super_block *sb);
-static struct inode *qnx4_alloc_inode(struct super_block *sb);
-static void qnx4_destroy_inode(struct inode *inode);
-static int qnx4_remount(struct super_block *sb, int *flags, char *data);
-static int qnx4_statfs(struct dentry *, struct kstatfs *);
-
-static const struct super_operations qnx4_sops =
-{
-	.alloc_inode	= qnx4_alloc_inode,
-	.destroy_inode	= qnx4_destroy_inode,
-	.put_super	= qnx4_put_super,
-	.statfs		= qnx4_statfs,
-	.remount_fs	= qnx4_remount,
-};
-
-static int qnx4_remount(struct super_block *sb, int *flags, char *data)
-{
-	struct qnx4_sb_info *qs;
-
-	qs = qnx4_sb(sb);
-	qs->Version = QNX4_VERSION;
-	*flags |= MS_RDONLY;
-	return 0;
-}
-
-static int qnx4_get_block( struct inode *inode, sector_t iblock, struct buffer_head *bh, int create )
-{
-	unsigned long phys;
-
-	QNX4DEBUG((KERN_INFO "qnx4: qnx4_get_block inode=[%ld] iblock=[%ld]\n",inode->i_ino,iblock));
-
-	phys = qnx4_block_map( inode, iblock );
-	if ( phys ) {
-		// logical block is before EOF
-		map_bh(bh, inode->i_sb, phys);
-	}
-	return 0;
-}
-
-static inline u32 try_extent(qnx4_xtnt_t *extent, u32 *offset)
-{
-	u32 size = le32_to_cpu(extent->xtnt_size);
-	if (*offset < size)
-		return le32_to_cpu(extent->xtnt_blk) + *offset - 1;
-	*offset -= size;
-	return 0;
-}
-
-unsigned long qnx4_block_map( struct inode *inode, long iblock )
-{
-	int ix;
-	long i_xblk;
-	struct buffer_head *bh = NULL;
-	struct qnx4_xblk *xblk = NULL;
-	struct qnx4_inode_entry *qnx4_inode = qnx4_raw_inode(inode);
-	u16 nxtnt = le16_to_cpu(qnx4_inode->di_num_xtnts);
-	u32 offset = iblock;
-	u32 block = try_extent(&qnx4_inode->di_first_xtnt, &offset);
-
-	if (block) {
-		// iblock is in the first extent. This is easy.
-	} else {
-		// iblock is beyond first extent. We have to follow the extent chain.
-		i_xblk = le32_to_cpu(qnx4_inode->di_xblk);
-		ix = 0;
-		while ( --nxtnt > 0 ) {
-			if ( ix == 0 ) {
-				// read next xtnt block.
-				bh = sb_bread(inode->i_sb, i_xblk - 1);
-				if ( !bh ) {
-					QNX4DEBUG((KERN_ERR "qnx4: I/O error reading xtnt block [%ld])\n", i_xblk - 1));
-					return -EIO;
-				}
-				xblk = (struct qnx4_xblk*)bh->b_data;
-				if ( memcmp( xblk->xblk_signature, "IamXblk", 7 ) ) {
-					QNX4DEBUG((KERN_ERR "qnx4: block at %ld is not a valid xtnt\n", qnx4_inode->i_xblk));
-					return -EIO;
-				}
-			}
-			block = try_extent(&xblk->xblk_xtnts[ix], &offset);
-			if (block) {
-				// got it!
-				break;
-			}
-			if ( ++ix >= xblk->xblk_num_xtnts ) {
-				i_xblk = le32_to_cpu(xblk->xblk_next_xblk);
-				ix = 0;
-				brelse( bh );
-				bh = NULL;
-			}
-		}
-		if ( bh )
-			brelse( bh );
-	}
-
-	QNX4DEBUG((KERN_INFO "qnx4: mapping block %ld of inode %ld = %ld\n",iblock,inode->i_ino,block));
-	return block;
-}
-
-static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-	struct super_block *sb = dentry->d_sb;
-	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
-
-	buf->f_type    = sb->s_magic;
-	buf->f_bsize   = sb->s_blocksize;
-	buf->f_blocks  = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size) * 8;
-	buf->f_bfree   = qnx4_count_free_blocks(sb);
-	buf->f_bavail  = buf->f_bfree;
-	buf->f_namelen = QNX4_NAME_MAX;
-	buf->f_fsid.val[0] = (u32)id;
-	buf->f_fsid.val[1] = (u32)(id >> 32);
-
-	return 0;
-}
-
-/*
- * Check the root directory of the filesystem to make sure
- * it really _is_ a qnx4 filesystem, and to check the size
- * of the directory entry.
- */
-static const char *qnx4_checkroot(struct super_block *sb)
-{
-	struct buffer_head *bh;
-	struct qnx4_inode_entry *rootdir;
-	int rd, rl;
-	int i, j;
-
-	if (*(qnx4_sb(sb)->sb->RootDir.di_fname) != '/')
-		return "no qnx4 filesystem (no root dir).";
-	QNX4DEBUG((KERN_NOTICE "QNX4 filesystem found on dev %s.\n", sb->s_id));
-	rd = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_blk) - 1;
-	rl = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_size);
-	for (j = 0; j < rl; j++) {
-		bh = sb_bread(sb, rd + j);	/* root dir, first block */
-		if (bh == NULL)
-			return "unable to read root entry.";
-		rootdir = (struct qnx4_inode_entry *) bh->b_data;
-		for (i = 0; i < QNX4_INODES_PER_BLOCK; i++, rootdir++) {
-			QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
-			if (strcmp(rootdir->di_fname, QNX4_BMNAME) != 0)
-				continue;
-			qnx4_sb(sb)->BitMap = kmemdup(rootdir,
-						      sizeof(struct qnx4_inode_entry),
-						      GFP_KERNEL);
-			brelse(bh);
-			if (!qnx4_sb(sb)->BitMap)
-				return "not enough memory for bitmap inode";
-			/* keep bitmap inode known */
-			return NULL;
-		}
-		brelse(bh);
-	}
-	return "bitmap file not found.";
-}
-
-static int qnx4_fill_super(struct super_block *s, void *data, int silent)
-{
-	struct buffer_head *bh;
-	struct inode *root;
-	const char *errmsg;
-	struct qnx4_sb_info *qs;
-	int ret = -EINVAL;
-
-	qs = kzalloc(sizeof(struct qnx4_sb_info), GFP_KERNEL);
-	if (!qs)
-		return -ENOMEM;
-	s->s_fs_info = qs;
-
-	sb_set_blocksize(s, QNX4_BLOCK_SIZE);
-
-	/* Check the superblock signature. Since the qnx4 code is
-	   dangerous, we should leave as quickly as possible
-	   if we don't belong here... */
-	bh = sb_bread(s, 1);
-	if (!bh) {
-		printk(KERN_ERR "qnx4: unable to read the superblock\n");
-		goto outnobh;
-	}
-	if ( le32_to_cpup((__le32*) bh->b_data) != QNX4_SUPER_MAGIC ) {
-		if (!silent)
-			printk(KERN_ERR "qnx4: wrong fsid in superblock.\n");
-		goto out;
-	}
-	s->s_op = &qnx4_sops;
-	s->s_magic = QNX4_SUPER_MAGIC;
-	s->s_flags |= MS_RDONLY;	/* Yup, read-only yet */
-	qnx4_sb(s)->sb_buf = bh;
-	qnx4_sb(s)->sb = (struct qnx4_super_block *) bh->b_data;
-
-
- 	/* check before allocating dentries, inodes, .. */
-	errmsg = qnx4_checkroot(s);
-	if (errmsg != NULL) {
- 		if (!silent)
-			printk(KERN_ERR "qnx4: %s\n", errmsg);
-		goto out;
-	}
-
- 	/* does root not have inode number QNX4_ROOT_INO ?? */
-	root = qnx4_iget(s, QNX4_ROOT_INO * QNX4_INODES_PER_BLOCK);
-	if (IS_ERR(root)) {
-		printk(KERN_ERR "qnx4: get inode failed\n");
-		ret = PTR_ERR(root);
- 		goto outb;
- 	}
-
-	ret = -ENOMEM;
- 	s->s_root = d_make_root(root);
- 	if (s->s_root == NULL)
- 		goto outb;
-
-	brelse(bh);
-	return 0;
-
-      outb:
-	kfree(qs->BitMap);
-      out:
-	brelse(bh);
-      outnobh:
-	kfree(qs);
-	s->s_fs_info = NULL;
-	return ret;
-}
-
-static void qnx4_put_super(struct super_block *sb)
-{
-	struct qnx4_sb_info *qs = qnx4_sb(sb);
-	kfree( qs->BitMap );
-	kfree( qs );
-	sb->s_fs_info = NULL;
-	return;
-}
-
-static int qnx4_readpage(struct file *file, struct page *page)
-{
-	return block_read_full_page(page,qnx4_get_block);
-}
-
-static sector_t qnx4_bmap(struct address_space *mapping, sector_t block)
-{
-	return generic_block_bmap(mapping,block,qnx4_get_block);
-}
-static const struct address_space_operations qnx4_aops = {
-	.readpage	= qnx4_readpage,
-	.bmap		= qnx4_bmap
-};
-
-struct inode *qnx4_iget(struct super_block *sb, unsigned long ino)
-{
-	struct buffer_head *bh;
-	struct qnx4_inode_entry *raw_inode;
-	int block;
-	struct qnx4_inode_entry *qnx4_inode;
-	struct inode *inode;
-
-	inode = iget_locked(sb, ino);
-	if (!inode)
-		return ERR_PTR(-ENOMEM);
-	if (!(inode->i_state & I_NEW))
-		return inode;
-
-	qnx4_inode = qnx4_raw_inode(inode);
-	inode->i_mode = 0;
-
-	QNX4DEBUG((KERN_INFO "reading inode : [%d]\n", ino));
-	if (!ino) {
-		printk(KERN_ERR "qnx4: bad inode number on dev %s: %lu is "
-				"out of range\n",
-		       sb->s_id, ino);
-		iget_failed(inode);
-		return ERR_PTR(-EIO);
-	}
-	block = ino / QNX4_INODES_PER_BLOCK;
-
-	if (!(bh = sb_bread(sb, block))) {
-		printk(KERN_ERR "qnx4: major problem: unable to read inode from dev "
-		       "%s\n", sb->s_id);
-		iget_failed(inode);
-		return ERR_PTR(-EIO);
-	}
-	raw_inode = ((struct qnx4_inode_entry *) bh->b_data) +
-	    (ino % QNX4_INODES_PER_BLOCK);
-
-	inode->i_mode    = le16_to_cpu(raw_inode->di_mode);
-	inode->i_uid     = (uid_t)le16_to_cpu(raw_inode->di_uid);
-	inode->i_gid     = (gid_t)le16_to_cpu(raw_inode->di_gid);
-	set_nlink(inode, le16_to_cpu(raw_inode->di_nlink));
-	inode->i_size    = le32_to_cpu(raw_inode->di_size);
-	inode->i_mtime.tv_sec   = le32_to_cpu(raw_inode->di_mtime);
-	inode->i_mtime.tv_nsec = 0;
-	inode->i_atime.tv_sec   = le32_to_cpu(raw_inode->di_atime);
-	inode->i_atime.tv_nsec = 0;
-	inode->i_ctime.tv_sec   = le32_to_cpu(raw_inode->di_ctime);
-	inode->i_ctime.tv_nsec = 0;
-	inode->i_blocks  = le32_to_cpu(raw_inode->di_first_xtnt.xtnt_size);
-
-	memcpy(qnx4_inode, raw_inode, QNX4_DIR_ENTRY_SIZE);
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_fop = &generic_ro_fops;
-		inode->i_mapping->a_ops = &qnx4_aops;
-		qnx4_i(inode)->mmu_private = inode->i_size;
-	} else if (S_ISDIR(inode->i_mode)) {
-		inode->i_op = &qnx4_dir_inode_operations;
-		inode->i_fop = &qnx4_dir_operations;
-	} else if (S_ISLNK(inode->i_mode)) {
-		inode->i_op = &page_symlink_inode_operations;
-		inode->i_mapping->a_ops = &qnx4_aops;
-		qnx4_i(inode)->mmu_private = inode->i_size;
-	} else {
-		printk(KERN_ERR "qnx4: bad inode %lu on dev %s\n",
-			ino, sb->s_id);
-		iget_failed(inode);
-		brelse(bh);
-		return ERR_PTR(-EIO);
-	}
-	brelse(bh);
-	unlock_new_inode(inode);
-	return inode;
-}
-
-static struct kmem_cache *qnx4_inode_cachep;
-
-static struct inode *qnx4_alloc_inode(struct super_block *sb)
-{
-	struct qnx4_inode_info *ei;
-	ei = kmem_cache_alloc(qnx4_inode_cachep, GFP_KERNEL);
-	if (!ei)
-		return NULL;
-	return &ei->vfs_inode;
-}
-
-static void qnx4_i_callback(struct rcu_head *head)
-{
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	kmem_cache_free(qnx4_inode_cachep, qnx4_i(inode));
-}
-
-static void qnx4_destroy_inode(struct inode *inode)
-{
-	call_rcu(&inode->i_rcu, qnx4_i_callback);
-}
-
-static void init_once(void *foo)
-{
-	struct qnx4_inode_info *ei = (struct qnx4_inode_info *) foo;
-
-	inode_init_once(&ei->vfs_inode);
-}
-
-static int init_inodecache(void)
-{
-	qnx4_inode_cachep = kmem_cache_create("qnx4_inode_cache",
-					     sizeof(struct qnx4_inode_info),
-					     0, (SLAB_RECLAIM_ACCOUNT|
-						SLAB_MEM_SPREAD),
-					     init_once);
-	if (qnx4_inode_cachep == NULL)
-		return -ENOMEM;
-	return 0;
-}
-
-static void destroy_inodecache(void)
-{
-	kmem_cache_destroy(qnx4_inode_cachep);
-}
-
-static struct dentry *qnx4_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
-{
-	return mount_bdev(fs_type, flags, dev_name, data, qnx4_fill_super);
-}
-
-static struct file_system_type qnx4_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "qnx4",
-	.mount		= qnx4_mount,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
-};
-
-static int __init init_qnx4_fs(void)
-{
-	int err;
-
-	err = init_inodecache();
-	if (err)
-		return err;
-
-	err = register_filesystem(&qnx4_fs_type);
-	if (err) {
-		destroy_inodecache();
-		return err;
-	}
-
-	printk(KERN_INFO "QNX4 filesystem 0.2.3 registered.\n");
-	return 0;
-}
-
-static void __exit exit_qnx4_fs(void)
-{
-	unregister_filesystem(&qnx4_fs_type);
-	destroy_inodecache();
-}
-
-module_init(init_qnx4_fs)
-module_exit(exit_qnx4_fs)
-MODULE_LICENSE("GPL");
-