move package/linux into target/linux, use wbx' new kernel code. support building images with more than one kernel, split kernel module parts off of packages that use their own kernel modules (fuse, shfs, openswan). some cleanup in the image building process in target/. image builder is disabled for now, needs some fixing.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1085 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 2454 insertions, 0 deletions

diff --git a/target/linux/linux-2.4/patches/003-squashfs.patch b/target/linux/linux-2.4/patches/003-squashfs.patch
new file mode 100644
index 000000000..762b5a4de
--- /dev/null
+++ b/target/linux/linux-2.4/patches/003-squashfs.patch
@@ -0,0 +1,2454 @@
+diff --new-file -ur linux-2.4.28/fs/Config.in linux-2.4.28-squashfs2.1-r2/fs/Config.in
+--- linux-2.4.28/fs/Config.in	2004-11-17 11:54:21.000000000 +0000
++++ linux-2.4.28-squashfs2.1-r2/fs/Config.in	2004-12-02 02:14:05.000000000 +0000
+@@ -51,6 +51,7 @@
+    int 'JFFS2 debugging verbosity (0 = quiet, 2 = noisy)' CONFIG_JFFS2_FS_DEBUG 0
+ fi
+ tristate 'Compressed ROM file system support' CONFIG_CRAMFS
++tristate 'Squashed file system support' CONFIG_SQUASHFS
+ bool 'Virtual memory file system support (former shm fs)' CONFIG_TMPFS
+ define_bool CONFIG_RAMFS y
+ 
+diff --new-file -ur linux-2.4.28/fs/Makefile linux-2.4.28-squashfs2.1-r2/fs/Makefile
+--- linux-2.4.28/fs/Makefile	2004-02-18 13:36:31.000000000 +0000
++++ linux-2.4.28-squashfs2.1-r2/fs/Makefile	2004-12-02 02:14:05.000000000 +0000
+@@ -65,6 +65,7 @@
+ subdir-$(CONFIG_DEVPTS_FS)	+= devpts
+ subdir-$(CONFIG_SUN_OPENPROMFS)	+= openpromfs
+ subdir-$(CONFIG_BEFS_FS)	+= befs
++subdir-$(CONFIG_SQUASHFS)	+= squashfs
+ subdir-$(CONFIG_JFS_FS)		+= jfs
+ subdir-$(CONFIG_XFS_FS)		+= xfs
+ 
+diff --new-file -ur linux-2.4.28/fs/squashfs/inode.c linux-2.4.28-squashfs2.1-r2/fs/squashfs/inode.c
+--- linux-2.4.28/fs/squashfs/inode.c	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.4.28-squashfs2.1-r2/fs/squashfs/inode.c	2004-12-15 10:13:06.000000000 +0000
+@@ -0,0 +1,1677 @@
++/*
++ * Squashfs - a compressed read only filesystem for Linux
++ *
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
++ *
++ * 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,
++ * or (at your option) any later version.
++ *
++ * 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 the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++ * Squashfs - a compressed read only filesystem for Linux
++ *
++ * inode.c
++ */
++
++#define SQUASHFS_1_0_COMPATIBILITY
++
++#include <linux/types.h>
++#include <linux/squashfs_fs.h>
++#include <linux/module.h>
++#include <linux/errno.h>
++#include <linux/slab.h>
++#include <linux/fs.h>
++#include <linux/locks.h>
++#include <linux/init.h>
++#include <linux/dcache.h>
++#include <asm/uaccess.h>
++#include <linux/wait.h>
++#include <asm/semaphore.h>
++#include <linux/zlib.h>
++#include <linux/blkdev.h>
++#include <linux/vmalloc.h>
++
++#ifdef SQUASHFS_TRACE
++#define TRACE(s, args...)				printk(KERN_NOTICE "SQUASHFS: "s, ## args)
++#else
++#define TRACE(s, args...)				{}
++#endif
++
++#define ERROR(s, args...)				printk(KERN_ERR "SQUASHFS error: "s, ## args)
++
++#define SERROR(s, args...)				if(!silent) printk(KERN_ERR "SQUASHFS error: "s, ## args)
++#define WARNING(s, args...)				printk(KERN_WARNING "SQUASHFS: "s, ## args)
++
++static struct super_block *squashfs_read_super(struct super_block *, void *, int);
++static void squashfs_put_super(struct super_block *);
++static int squashfs_statfs(struct super_block *, struct statfs *);
++static int squashfs_symlink_readpage(struct file *file, struct page *page);
++static int squashfs_readpage(struct file *file, struct page *page);
++static int squashfs_readpage4K(struct file *file, struct page *page);
++static int squashfs_readdir(struct file *, void *, filldir_t);
++static struct dentry *squashfs_lookup(struct inode *, struct dentry *);
++static unsigned int read_data(struct super_block *s, char *buffer,
++		unsigned int index, unsigned int length, unsigned int *next_index);
++static int squashfs_get_cached_block(struct super_block *s, char *buffer,
++		unsigned int block, unsigned int offset, int length,
++		unsigned int *next_block, unsigned int *next_offset);
++static struct inode *squashfs_iget(struct super_block *s, squashfs_inode inode);
++static unsigned int read_blocklist(struct inode *inode, int index, int readahead_blks,
++		char *block_list, unsigned short **block_p, unsigned int *bsize);
++static void squashfs_put_super(struct super_block *s);
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static int squashfs_readpage_lessthan4K(struct file *file, struct page *page);
++static struct inode *squashfs_iget_1(struct super_block *s, squashfs_inode inode);
++static unsigned int read_blocklist_1(struct inode *inode, int index, int readahead_blks,
++		char *block_list, unsigned short **block_p, unsigned int *bsize);
++#endif
++
++DECLARE_MUTEX(read_data_mutex);
++
++static z_stream stream;
++
++static DECLARE_FSTYPE_DEV(squashfs_fs_type, "squashfs", squashfs_read_super);
++
++static unsigned char squashfs_filetype_table[] = {
++	DT_UNKNOWN, DT_DIR, DT_REG, DT_LNK, DT_BLK, DT_CHR, DT_FIFO, DT_SOCK
++};
++
++static struct super_operations squashfs_ops = {
++	statfs: squashfs_statfs,
++	put_super: squashfs_put_super,
++};
++
++static struct address_space_operations squashfs_symlink_aops = {
++	readpage: squashfs_symlink_readpage
++};
++
++static struct address_space_operations squashfs_aops = {
++	readpage: squashfs_readpage
++};
++
++static struct address_space_operations squashfs_aops_4K = {
++	readpage: squashfs_readpage4K
++};
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static struct address_space_operations squashfs_aops_lessthan4K = {
++	readpage: squashfs_readpage_lessthan4K
++};
++#endif
++
++static struct file_operations squashfs_dir_ops = {
++	read: generic_read_dir,
++	readdir: squashfs_readdir
++};
++
++static struct inode_operations squashfs_dir_inode_ops = {
++	lookup: squashfs_lookup
++};
++
++
++static struct buffer_head *get_block_length(struct super_block *s, int *cur_index, int *offset, int *c_byte)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	unsigned short temp;
++	struct buffer_head *bh;
++
++	if(!(bh = sb_bread(s, *cur_index)))
++		return NULL;
++
++	if(msBlk->devblksize - *offset == 1) {
++		if(msBlk->swap)
++			((unsigned char *) &temp)[1] = *((unsigned char *) (bh->b_data + *offset));
++		else
++			((unsigned char *) &temp)[0] = *((unsigned char *) (bh->b_data + *offset));
++		brelse(bh);
++		if(!(bh = sb_bread(s, ++(*cur_index))))
++			return NULL;
++		if(msBlk->swap)
++			((unsigned char *) &temp)[0] = *((unsigned char *) bh->b_data); 
++		else
++			((unsigned char *) &temp)[1] = *((unsigned char *) bh->b_data); 
++		*c_byte = temp;
++		*offset = 1;
++	}
++	else {
++		if(msBlk->swap) {
++			unsigned short temp;
++			((unsigned char *) &temp)[1] = *((unsigned char *) (bh->b_data + *offset));
++			((unsigned char *) &temp)[0] = *((unsigned char *) (bh->b_data + *offset + 1)); 
++			*c_byte = temp;
++		} else
++			*c_byte = *((unsigned short *) (bh->b_data + *offset));
++		*offset += 2;
++	}
++	if(SQUASHFS_CHECK_DATA(msBlk->sBlk.flags)) {
++		if(*offset == msBlk->devblksize) {
++			brelse(bh);
++			if(!(bh = sb_bread(s, ++(*cur_index))))
++				return NULL;
++			offset = 0;
++		}
++		if(*((unsigned char *) (bh->b_data + *offset)) != SQUASHFS_MARKER_BYTE) {
++			ERROR("Metadata block marker corrupt @ %x\n", *cur_index);
++			brelse(bh);
++			return NULL;
++		}
++		*offset ++;
++	}
++
++	return bh;
++}
++
++
++static unsigned int read_data(struct super_block *s, char *buffer,
++		unsigned int index, unsigned int length, unsigned int *next_index)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	struct buffer_head *bh[((SQUASHFS_FILE_MAX_SIZE - 1) >> msBlk->devblksize_log2) + 2];
++	unsigned int offset = index & ((1 << msBlk->devblksize_log2) - 1);
++	unsigned int cur_index = index >> msBlk->devblksize_log2;
++	int bytes, avail_bytes, b = 0, k;
++	char *c_buffer;
++	unsigned int compressed;
++	unsigned int c_byte = length;
++
++	if(c_byte) {
++		bytes = msBlk->devblksize - offset;
++		compressed = SQUASHFS_COMPRESSED_BLOCK(c_byte);
++		c_buffer = compressed ? msBlk->read_data : buffer;
++		c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(c_byte);
++
++		TRACE("Block @ 0x%x, %scompressed size %d\n", index, compressed ? "" : "un", (unsigned int) c_byte);
++
++		if(!(bh[0] = sb_getblk(s, cur_index)))
++			goto block_release;
++		for(b = 1; bytes < c_byte; b++) {
++			if(!(bh[b] = sb_getblk(s, ++cur_index)))
++				goto block_release;
++			bytes += msBlk->devblksize;
++		}
++		ll_rw_block(READ, b, bh);
++	} else {
++		if(!(bh[0] = get_block_length(s, &cur_index, &offset, &c_byte)))
++			goto read_failure;
++
++		bytes = msBlk->devblksize - offset;
++		compressed = SQUASHFS_COMPRESSED(c_byte);
++		c_buffer = compressed ? msBlk->read_data : buffer;
++		c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
++
++		TRACE("Block @ 0x%x, %scompressed size %d\n", index, compressed ? "" : "un", (unsigned int) c_byte);
++
++		for(b = 1; bytes < c_byte; b++) {
++			if(!(bh[b] = sb_getblk(s, ++cur_index)))
++				goto block_release;
++			bytes += msBlk->devblksize;
++		}
++		ll_rw_block(READ, b - 1, bh + 1);
++	}
++
++	if(compressed)
++		down(&read_data_mutex);
++
++	for(bytes = 0, k = 0; k < b; k++) {
++		avail_bytes = (c_byte - bytes) > (msBlk->devblksize - offset) ? msBlk->devblksize - offset : c_byte - bytes;
++		wait_on_buffer(bh[k]);
++		memcpy(c_buffer + bytes, bh[k]->b_data + offset, avail_bytes);
++		bytes += avail_bytes;
++		offset = 0;
++		brelse(bh[k]);
++	}
++
++	/*
++	 * uncompress block
++	 */
++	if(compressed) {
++		int zlib_err;
++
++		stream.next_in = c_buffer;
++		stream.avail_in = c_byte;
++		stream.next_out = buffer;
++		stream.avail_out = msBlk->read_size;
++		if(((zlib_err = zlib_inflateInit(&stream)) != Z_OK) ||
++				((zlib_err = zlib_inflate(&stream, Z_FINISH)) != Z_STREAM_END) ||
++				((zlib_err = zlib_inflateEnd(&stream)) != Z_OK)) {
++			ERROR("zlib_fs returned unexpected result 0x%x\n", zlib_err);
++			bytes = 0;
++		} else
++			bytes = stream.total_out;
++		up(&read_data_mutex);
++	}
++
++	if(next_index)
++		*next_index = index + c_byte + (length ? 0 : (SQUASHFS_CHECK_DATA(msBlk->sBlk.flags) ? 3 : 2));
++
++	return bytes;
++
++block_release:
++	while(--b >= 0) brelse(bh[b]);
++
++read_failure:
++	ERROR("sb_bread failed reading block 0x%x\n", cur_index);
++	return 0;
++}
++static int squashfs_get_cached_block(struct super_block *s, char *buffer,
++		unsigned int block, unsigned int offset, int length,
++		unsigned int *next_block, unsigned int *next_offset)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	int n, i, bytes, return_length = length;
++	unsigned int next_index;
++
++	TRACE("Entered squashfs_get_cached_block [%x:%x]\n", block, offset);
++
++	for(;;) {
++		for(i = 0; i < SQUASHFS_CACHED_BLKS; i++) 
++			if(msBlk->block_cache[i].block == block)
++				break; 
++		
++		down(&msBlk->block_cache_mutex);
++		if(i == SQUASHFS_CACHED_BLKS) {
++			/* read inode header block */
++			for(i = msBlk->next_cache, n = SQUASHFS_CACHED_BLKS; n ; n --, i = (i + 1) % SQUASHFS_CACHED_BLKS)
++				if(msBlk->block_cache[i].block != SQUASHFS_USED_BLK)
++					break;
++			if(n == 0) {
++				up(&msBlk->block_cache_mutex);
++				sleep_on(&msBlk->waitq);
++				continue;
++			}
++			msBlk->next_cache = (i + 1) % SQUASHFS_CACHED_BLKS;
++
++			if(msBlk->block_cache[i].block == SQUASHFS_INVALID_BLK) {
++				if(!(msBlk->block_cache[i].data = (unsigned char *)
++							kmalloc(SQUASHFS_METADATA_SIZE, GFP_KERNEL))) {
++					ERROR("Failed to allocate cache block\n");
++					up(&msBlk->block_cache_mutex);
++					return 0;
++				}
++			}
++	
++			msBlk->block_cache[i].block = SQUASHFS_USED_BLK;
++			up(&msBlk->block_cache_mutex);
++			if(!(msBlk->block_cache[i].length = read_data(s, msBlk->block_cache[i].data, block, 0,
++							&next_index))) {
++				ERROR("Unable to read cache block [%x:%x]\n", block, offset);
++				return 0;
++			}
++			down(&msBlk->block_cache_mutex);
++			wake_up(&msBlk->waitq);
++			msBlk->block_cache[i].block = block;
++			msBlk->block_cache[i].next_index = next_index;
++			TRACE("Read cache block [%x:%x]\n", block, offset);
++		}
++
++		if(msBlk->block_cache[i].block != block) {
++			up(&msBlk->block_cache_mutex);
++			continue;
++		}
++
++		if((bytes = msBlk->block_cache[i].length - offset) >= length) {
++			if(buffer)
++				memcpy(buffer, msBlk->block_cache[i].data + offset, length);
++			if(msBlk->block_cache[i].length - offset == length) {
++				*next_block = msBlk->block_cache[i].next_index;
++				*next_offset = 0;
++			} else {
++				*next_block = block;
++				*next_offset = offset + length;
++			}
++	
++			up(&msBlk->block_cache_mutex);
++			return return_length;
++		} else {
++			if(buffer) {
++				memcpy(buffer, msBlk->block_cache[i].data + offset, bytes);
++				buffer += bytes;
++			}
++			block = msBlk->block_cache[i].next_index;
++			up(&msBlk->block_cache_mutex);
++			length -= bytes;
++			offset = 0;
++		}
++	}
++}
++
++
++static int get_fragment_location(struct super_block *s, unsigned int fragment, unsigned int *fragment_start_block, unsigned int *fragment_size)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	unsigned int start_block = msBlk->fragment_index[SQUASHFS_FRAGMENT_INDEX(fragment)];
++	int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment);
++	squashfs_fragment_entry fragment_entry;
++
++	if(msBlk->swap) {
++		squashfs_fragment_entry sfragment_entry;
++
++		if(!squashfs_get_cached_block(s, (char *) &sfragment_entry, start_block, offset,
++					sizeof(sfragment_entry), &start_block, &offset))
++			return 0;
++		SQUASHFS_SWAP_FRAGMENT_ENTRY(&fragment_entry, &sfragment_entry);
++	} else
++		if(!squashfs_get_cached_block(s, (char *) &fragment_entry, start_block, offset,
++					sizeof(fragment_entry), &start_block, &offset))
++			return 0;
++
++	*fragment_start_block = fragment_entry.start_block;
++	*fragment_size = fragment_entry.size;
++
++	return 1;
++}
++
++
++void release_cached_fragment(squashfs_sb_info *msBlk, struct squashfs_fragment_cache *fragment)
++{
++	down(&msBlk->fragment_mutex);
++	fragment->locked --;
++	wake_up(&msBlk->fragment_wait_queue);
++	up(&msBlk->fragment_mutex);
++}
++
++
++struct squashfs_fragment_cache *get_cached_fragment(struct super_block *s, unsigned int start_block, int length)
++{
++	int i, n;
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++
++	for(;;) {
++		down(&msBlk->fragment_mutex);
++		for(i = 0; i < SQUASHFS_CACHED_FRAGMENTS && msBlk->fragment[i].block != start_block; i++);
++		if(i == SQUASHFS_CACHED_FRAGMENTS) {
++			for(i = msBlk->next_fragment, n = SQUASHFS_CACHED_FRAGMENTS;
++				n && msBlk->fragment[i].locked; n--, i = (i + 1) % SQUASHFS_CACHED_FRAGMENTS);
++
++			if(n == 0) {
++				up(&msBlk->fragment_mutex);
++				sleep_on(&msBlk->fragment_wait_queue);
++				continue;
++			}
++			msBlk->next_fragment = (msBlk->next_fragment + 1) % SQUASHFS_CACHED_FRAGMENTS;
++			
++			if(msBlk->fragment[i].data == NULL)
++				if(!(msBlk->fragment[i].data = (unsigned char *)
++							kmalloc(SQUASHFS_FILE_MAX_SIZE, GFP_KERNEL))) {
++					ERROR("Failed to allocate fragment cache block\n");
++					up(&msBlk->fragment_mutex);
++					return NULL;
++				}
++
++			msBlk->fragment[i].block = SQUASHFS_INVALID_BLK;
++			msBlk->fragment[i].locked = 1;
++			up(&msBlk->fragment_mutex);
++			if(!(msBlk->fragment[i].length = read_data(s, msBlk->fragment[i].data, start_block, length,
++							NULL))) {
++				ERROR("Unable to read fragment cache block [%x]\n", start_block);
++				msBlk->fragment[i].locked = 0;
++				return NULL;
++			}
++			msBlk->fragment[i].block = start_block;
++			TRACE("New fragment %d, start block %d, locked %d\n", i, msBlk->fragment[i].block, msBlk->fragment[i].locked);
++			return &msBlk->fragment[i];
++		}
++
++		msBlk->fragment[i].locked ++;
++		up(&msBlk->fragment_mutex);
++		
++		TRACE("Got fragment %d, start block %d, locked %d\n", i, msBlk->fragment[i].block, msBlk->fragment[i].locked);
++		return &msBlk->fragment[i];
++	}
++}
++
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static struct inode *squashfs_iget_1(struct super_block *s, squashfs_inode inode)
++{
++	struct inode *i = new_inode(s);
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	unsigned int block = SQUASHFS_INODE_BLK(inode) + sBlk->inode_table_start;
++	unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
++	unsigned int next_block, next_offset;
++	squashfs_base_inode_header_1 inodeb;
++
++	TRACE("Entered squashfs_iget_1\n");
++
++	if(msBlk->swap) {
++		squashfs_base_inode_header_1 sinodeb;
++
++		if(!squashfs_get_cached_block(s, (char *) &sinodeb, block,  offset,
++					sizeof(sinodeb), &next_block, &next_offset))
++			goto failed_read;
++		SQUASHFS_SWAP_BASE_INODE_HEADER_1(&inodeb, &sinodeb, sizeof(sinodeb));
++	} else
++		if(!squashfs_get_cached_block(s, (char *) &inodeb, block,  offset,
++					sizeof(inodeb), &next_block, &next_offset))
++			goto failed_read;
++
++	i->i_nlink = 1;
++
++	i->i_mtime = sBlk->mkfs_time;
++	i->i_atime = sBlk->mkfs_time;
++	i->i_ctime = sBlk->mkfs_time;
++
++	if(inodeb.inode_type != SQUASHFS_IPC_TYPE)
++		i->i_uid = msBlk->uid[((inodeb.inode_type - 1) / SQUASHFS_TYPES) * 16 + inodeb.uid];
++	i->i_ino = SQUASHFS_MK_VFS_INODE(block - sBlk->inode_table_start, offset);
++
++	i->i_mode = inodeb.mode;
++
++	switch(inodeb.inode_type == SQUASHFS_IPC_TYPE ? SQUASHFS_IPC_TYPE : (inodeb.inode_type - 1) % SQUASHFS_TYPES + 1) {
++		case SQUASHFS_FILE_TYPE: {
++			squashfs_reg_inode_header_1 inodep;
++
++			if(msBlk->swap) {
++				squashfs_reg_inode_header_1 sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_REG_INODE_HEADER_1(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.file_size;
++			i->i_fop = &generic_ro_fops;
++			if(sBlk->block_size > 4096)
++				i->i_data.a_ops = &squashfs_aops;
++			else if(sBlk->block_size == 4096)
++				i->i_data.a_ops = &squashfs_aops_4K;
++			else
++				i->i_data.a_ops = &squashfs_aops_lessthan4K;
++			i->i_mode |= S_IFREG;
++			i->i_mtime = inodep.mtime;
++			i->i_atime = inodep.mtime;
++			i->i_ctime = inodep.mtime;
++			i->i_blocks = ((i->i_size - 1) >> 9) + 1;
++			i->i_blksize = PAGE_CACHE_SIZE;
++			i->u.squashfs_i.u.s1.fragment_start_block = SQUASHFS_INVALID_BLK;
++			i->u.squashfs_i.u.s1.fragment_offset = 0;
++			i->u.squashfs_i.start_block = inodep.start_block;
++			i->u.squashfs_i.block_list_start = next_block;
++			i->u.squashfs_i.offset = next_offset;
++			TRACE("File inode %x:%x, start_block %x, block_list_start %x, offset %x\n",
++					SQUASHFS_INODE_BLK(inode), offset, inodep.start_block, next_block, next_offset);
++			break;
++		}
++		case SQUASHFS_DIR_TYPE: {
++			squashfs_dir_inode_header_1 inodep;
++
++			if(msBlk->swap) {
++				squashfs_dir_inode_header_1 sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_DIR_INODE_HEADER_1(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.file_size;
++			i->i_op = &squashfs_dir_inode_ops;
++			i->i_fop = &squashfs_dir_ops;
++			i->i_mode |= S_IFDIR;
++			i->i_mtime = inodep.mtime;
++			i->i_atime = inodep.mtime;
++			i->i_ctime = inodep.mtime;
++			i->u.squashfs_i.start_block = inodep.start_block;
++			i->u.squashfs_i.offset = inodep.offset;
++			i->u.squashfs_i.u.s2.directory_index_count = 0;
++			TRACE("Directory inode %x:%x, start_block %x, offset %x\n", SQUASHFS_INODE_BLK(inode), offset,
++					inodep.start_block, inodep.offset);
++			break;
++		}
++		case SQUASHFS_SYMLINK_TYPE: {
++			squashfs_symlink_inode_header_1 inodep;
++	
++			if(msBlk->swap) {
++				squashfs_symlink_inode_header_1 sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.symlink_size;
++			i->i_op = &page_symlink_inode_operations;
++			i->i_data.a_ops = &squashfs_symlink_aops;
++			i->i_mode |= S_IFLNK;
++			i->u.squashfs_i.start_block = next_block;
++			i->u.squashfs_i.offset = next_offset;
++			TRACE("Symbolic link inode %x:%x, start_block %x, offset %x\n",
++				SQUASHFS_INODE_BLK(inode), offset, next_block, next_offset);
++			break;
++		 }
++		 case SQUASHFS_BLKDEV_TYPE:
++		 case SQUASHFS_CHRDEV_TYPE: {
++			squashfs_dev_inode_header_1 inodep;
++
++			if(msBlk->swap) {
++				squashfs_dev_inode_header_1 sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_DEV_INODE_HEADER_1(&inodep, &sinodep);
++			} else	
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = 0;
++			i->i_mode |= (inodeb.inode_type == SQUASHFS_CHRDEV_TYPE) ? S_IFCHR : S_IFBLK;
++			init_special_inode(i, i->i_mode, inodep.rdev);
++			TRACE("Device inode %x:%x, rdev %x\n", SQUASHFS_INODE_BLK(inode), offset, inodep.rdev);
++			break;
++		 }
++		 case SQUASHFS_IPC_TYPE: {
++			squashfs_ipc_inode_header_1 inodep;
++
++			if(msBlk->swap) {
++				squashfs_ipc_inode_header_1 sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_IPC_INODE_HEADER_1(&inodep, &sinodep);
++			} else	
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = 0;
++			i->i_mode |= (inodep.type == SQUASHFS_FIFO_TYPE) ? S_IFIFO : S_IFSOCK;
++			i->i_uid = msBlk->uid[inodep.offset * 16 + inodeb.uid];
++			init_special_inode(i, i->i_mode, 0);
++			break;
++		 }
++		 default:
++			ERROR("Unknown inode type %d in squashfs_iget!\n", inodeb.inode_type);
++				goto failed_read1;
++	}
++	
++	if(inodeb.guid == 15)
++		i->i_gid = i->i_uid;
++	else
++		i->i_gid = msBlk->guid[inodeb.guid];
++
++	insert_inode_hash(i);
++	return i;
++
++failed_read:
++	ERROR("Unable to read inode [%x:%x]\n", block, offset);
++
++failed_read1:
++	return NULL;
++}
++#endif
++
++
++static struct inode *squashfs_iget(struct super_block *s, squashfs_inode inode)
++{
++	struct inode *i = new_inode(s);
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	unsigned int block = SQUASHFS_INODE_BLK(inode) + sBlk->inode_table_start;
++	unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
++	unsigned int next_block, next_offset;
++	squashfs_base_inode_header inodeb;
++
++	TRACE("Entered squashfs_iget\n");
++
++	if(msBlk->swap) {
++		squashfs_base_inode_header sinodeb;
++
++		if(!squashfs_get_cached_block(s, (char *) &sinodeb, block,  offset,
++					sizeof(sinodeb), &next_block, &next_offset))
++			goto failed_read;
++		SQUASHFS_SWAP_BASE_INODE_HEADER(&inodeb, &sinodeb, sizeof(sinodeb));
++	} else
++		if(!squashfs_get_cached_block(s, (char *) &inodeb, block,  offset,
++					sizeof(inodeb), &next_block, &next_offset))
++			goto failed_read;
++
++	i->i_nlink = 1;
++
++	i->i_mtime = sBlk->mkfs_time;
++	i->i_atime = sBlk->mkfs_time;
++	i->i_ctime = sBlk->mkfs_time;
++
++	i->i_uid = msBlk->uid[inodeb.uid];
++	i->i_ino = SQUASHFS_MK_VFS_INODE(block - sBlk->inode_table_start, offset);
++
++	i->i_mode = inodeb.mode;
++
++	switch(inodeb.inode_type) {
++		case SQUASHFS_FILE_TYPE: {
++			squashfs_reg_inode_header inodep;
++
++			if(msBlk->swap) {
++				squashfs_reg_inode_header sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_REG_INODE_HEADER(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->u.squashfs_i.u.s1.fragment_start_block = SQUASHFS_INVALID_BLK;
++			if(inodep.fragment != SQUASHFS_INVALID_BLK && !get_fragment_location(s, inodep.fragment,
++							&i->u.squashfs_i.u.s1.fragment_start_block, &i->u.squashfs_i.u.s1.fragment_size))
++				goto failed_read;
++
++			i->u.squashfs_i.u.s1.fragment_offset = inodep.offset;
++			i->i_size = inodep.file_size;
++			i->i_fop = &generic_ro_fops;
++			if(sBlk->block_size > 4096)
++				i->i_data.a_ops = &squashfs_aops;
++			else
++				i->i_data.a_ops = &squashfs_aops_4K;
++			i->i_mode |= S_IFREG;
++			i->i_mtime = inodep.mtime;
++			i->i_atime = inodep.mtime;
++			i->i_ctime = inodep.mtime;
++			i->i_blocks = ((i->i_size - 1) >> 9) + 1;
++			i->i_blksize = PAGE_CACHE_SIZE;
++			i->u.squashfs_i.start_block = inodep.start_block;
++			i->u.squashfs_i.block_list_start = next_block;
++			i->u.squashfs_i.offset = next_offset;
++			TRACE("File inode %x:%x, start_block %x, block_list_start %x, offset %x fragment_index %x fragment_offset %x\n",
++					SQUASHFS_INODE_BLK(inode), offset, inodep.start_block, next_block, next_offset, inodep.fragment, inodep.offset);
++			break;
++		}
++		case SQUASHFS_DIR_TYPE: {
++			squashfs_dir_inode_header inodep;
++
++			if(msBlk->swap) {
++				squashfs_dir_inode_header sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_DIR_INODE_HEADER(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.file_size;
++			i->i_op = &squashfs_dir_inode_ops;
++			i->i_fop = &squashfs_dir_ops;
++			i->i_mode |= S_IFDIR;
++			i->i_mtime = inodep.mtime;
++			i->i_atime = inodep.mtime;
++			i->i_ctime = inodep.mtime;
++			i->u.squashfs_i.start_block = inodep.start_block;
++			i->u.squashfs_i.offset = inodep.offset;
++			i->u.squashfs_i.u.s2.directory_index_count = 0;
++			TRACE("Directory inode %x:%x, start_block %x, offset %x\n", SQUASHFS_INODE_BLK(inode), offset,
++					inodep.start_block, inodep.offset);
++			break;
++		}
++		case SQUASHFS_LDIR_TYPE: {
++			squashfs_ldir_inode_header inodep;
++
++			if(msBlk->swap) {
++				squashfs_ldir_inode_header sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_LDIR_INODE_HEADER(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.file_size;
++			i->i_op = &squashfs_dir_inode_ops;
++			i->i_fop = &squashfs_dir_ops;
++			i->i_mode |= S_IFDIR;
++			i->i_mtime = inodep.mtime;
++			i->i_atime = inodep.mtime;
++			i->i_ctime = inodep.mtime;
++			i->u.squashfs_i.start_block = inodep.start_block;
++			i->u.squashfs_i.offset = inodep.offset;
++			i->u.squashfs_i.u.s2.directory_index_start = next_block;
++			i->u.squashfs_i.u.s2.directory_index_offset = next_offset;
++			i->u.squashfs_i.u.s2.directory_index_count = inodep.i_count;
++			TRACE("Long directory inode %x:%x, start_block %x, offset %x\n", SQUASHFS_INODE_BLK(inode), offset,
++					inodep.start_block, inodep.offset);
++			break;
++		}
++		case SQUASHFS_SYMLINK_TYPE: {
++			squashfs_symlink_inode_header inodep;
++	
++			if(msBlk->swap) {
++				squashfs_symlink_inode_header sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_SYMLINK_INODE_HEADER(&inodep, &sinodep);
++			} else
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = inodep.symlink_size;
++			i->i_op = &page_symlink_inode_operations;
++			i->i_data.a_ops = &squashfs_symlink_aops;
++			i->i_mode |= S_IFLNK;
++			i->u.squashfs_i.start_block = next_block;
++			i->u.squashfs_i.offset = next_offset;
++			TRACE("Symbolic link inode %x:%x, start_block %x, offset %x\n",
++				SQUASHFS_INODE_BLK(inode), offset, next_block, next_offset);
++			break;
++		 }
++		 case SQUASHFS_BLKDEV_TYPE:
++		 case SQUASHFS_CHRDEV_TYPE: {
++			squashfs_dev_inode_header inodep;
++
++			if(msBlk->swap) {
++				squashfs_dev_inode_header sinodep;
++
++				if(!squashfs_get_cached_block(s, (char *) &sinodep, block,  offset, sizeof(sinodep),
++							&next_block, &next_offset))
++					goto failed_read;
++				SQUASHFS_SWAP_DEV_INODE_HEADER(&inodep, &sinodep);
++			} else	
++				if(!squashfs_get_cached_block(s, (char *) &inodep, block,  offset, sizeof(inodep),
++							&next_block, &next_offset))
++					goto failed_read;
++
++			i->i_size = 0;
++			i->i_mode |= (inodeb.inode_type == SQUASHFS_CHRDEV_TYPE) ? S_IFCHR : S_IFBLK;
++			init_special_inode(i, i->i_mode, inodep.rdev);
++			TRACE("Device inode %x:%x, rdev %x\n", SQUASHFS_INODE_BLK(inode), offset, inodep.rdev);
++			break;
++		 }
++		 case SQUASHFS_FIFO_TYPE:
++		 case SQUASHFS_SOCKET_TYPE: {
++			i->i_size = 0;
++			i->i_mode |= (inodeb.inode_type == SQUASHFS_FIFO_TYPE) ? S_IFIFO : S_IFSOCK;
++			init_special_inode(i, i->i_mode, 0);
++			break;
++		 }
++		 default:
++			ERROR("Unknown inode type %d in squashfs_iget!\n", inodeb.inode_type);
++				goto failed_read1;
++	}
++	
++	if(inodeb.guid == SQUASHFS_GUIDS)
++		i->i_gid = i->i_uid;
++	else
++		i->i_gid = msBlk->guid[inodeb.guid];
++
++	insert_inode_hash(i);
++	return i;
++
++failed_read:
++	ERROR("Unable to read inode [%x:%x]\n", block, offset);
++
++failed_read1:
++	return NULL;
++}
++
++
++static struct super_block *squashfs_read_super(struct super_block *s,
++		void *data, int silent)
++{
++	kdev_t dev = s->s_dev;
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	int i;
++
++	TRACE("Entered squashfs_read_superblock\n");
++
++	msBlk->devblksize = get_hardsect_size(dev);
++	if(msBlk->devblksize < BLOCK_SIZE)
++		msBlk->devblksize = BLOCK_SIZE;
++	msBlk->devblksize_log2 = ffz(~msBlk->devblksize);
++	set_blocksize(dev, msBlk->devblksize);
++	s->s_blocksize = msBlk->devblksize;
++	s->s_blocksize_bits = msBlk->devblksize_log2;
++
++	init_MUTEX(&msBlk->read_page_mutex);
++	init_MUTEX(&msBlk->block_cache_mutex);
++	init_MUTEX(&msBlk->fragment_mutex);
++	
++	init_waitqueue_head(&msBlk->waitq);
++	init_waitqueue_head(&msBlk->fragment_wait_queue);
++
++	if(!read_data(s, (char *) sBlk, SQUASHFS_START, sizeof(squashfs_super_block) | SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
++		SERROR("unable to read superblock\n");
++		goto failed_mount;
++	}
++
++	/* Check it is a SQUASHFS superblock */
++	msBlk->swap = 0;
++	if((s->s_magic = sBlk->s_magic) != SQUASHFS_MAGIC) {
++		if(sBlk->s_magic == SQUASHFS_MAGIC_SWAP) {
++			squashfs_super_block sblk;
++			WARNING("Mounting a different endian SQUASHFS filesystem on %s\n", bdevname(dev));
++			SQUASHFS_SWAP_SUPER_BLOCK(&sblk, sBlk);
++			memcpy(sBlk, &sblk, sizeof(squashfs_super_block));
++			msBlk->swap = 1;
++		} else  {
++			SERROR("Can't find a SQUASHFS superblock on %s\n", bdevname(dev));
++			goto failed_mount;
++		}
++	}
++
++	/* Check the MAJOR & MINOR versions */
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++	if((sBlk->s_major != 1) && (sBlk->s_major != 2 || sBlk->s_minor > SQUASHFS_MINOR)) {
++		SERROR("Major/Minor mismatch, filesystem is (%d:%d), I support (1 : x) or (2 : <= %d)\n",
++				sBlk->s_major, sBlk->s_minor, SQUASHFS_MINOR);
++		goto failed_mount;
++	}
++	if(sBlk->s_major == 1)
++		sBlk->block_size = sBlk->block_size_1;
++#else
++	if(sBlk->s_major != SQUASHFS_MAJOR || sBlk->s_minor > SQUASHFS_MINOR) {
++		SERROR("Major/Minor mismatch, filesystem is (%d:%d), I support (%d: <= %d)\n",
++				sBlk->s_major, sBlk->s_minor, SQUASHFS_MAJOR, SQUASHFS_MINOR);
++		goto failed_mount;
++	}
++#endif
++
++	TRACE("Found valid superblock on %s\n", bdevname(dev));
++	TRACE("Inodes are %scompressed\n", SQUASHFS_UNCOMPRESSED_INODES(sBlk->flags) ? "un" : "");
++	TRACE("Data is %scompressed\n", SQUASHFS_UNCOMPRESSED_DATA(sBlk->flags) ? "un" : "");
++	TRACE("Check data is %s present in the filesystem\n", SQUASHFS_CHECK_DATA(sBlk->flags) ? "" : "not");
++	TRACE("Filesystem size %d bytes\n", sBlk->bytes_used);
++	TRACE("Block size %d\n", sBlk->block_size);
++	TRACE("Number of inodes %d\n", sBlk->inodes);
++	if(sBlk->s_major > 1)
++		TRACE("Number of fragments %d\n", sBlk->fragments);
++	TRACE("Number of uids %d\n", sBlk->no_uids);
++	TRACE("Number of gids %d\n", sBlk->no_guids);
++	TRACE("sBlk->inode_table_start %x\n", sBlk->inode_table_start);
++	TRACE("sBlk->directory_table_start %x\n", sBlk->directory_table_start);
++		if(sBlk->s_major > 1)
++	TRACE("sBlk->fragment_table_start %x\n", sBlk->fragment_table_start);
++	TRACE("sBlk->uid_start %x\n", sBlk->uid_start);
++
++	s->s_flags |= MS_RDONLY;
++	s->s_op = &squashfs_ops;
++
++	/* Init inode_table block pointer array */
++	if(!(msBlk->block_cache = (squashfs_cache *) kmalloc(sizeof(squashfs_cache) * SQUASHFS_CACHED_BLKS, GFP_KERNEL))) {
++		ERROR("Failed to allocate block cache\n");
++		goto failed_mount;
++	}
++
++	for(i = 0; i < SQUASHFS_CACHED_BLKS; i++)
++		msBlk->block_cache[i].block = SQUASHFS_INVALID_BLK;
++
++	msBlk->next_cache = 0;
++
++	/* Allocate read_data block */
++	msBlk->read_size = (sBlk->block_size < SQUASHFS_METADATA_SIZE) ? SQUASHFS_METADATA_SIZE : sBlk->block_size;
++	if(!(msBlk->read_data = (char *) kmalloc(msBlk->read_size, GFP_KERNEL))) {
++		ERROR("Failed to allocate read_data block\n");
++		goto failed_mount1;
++	}
++
++	/* Allocate read_page block */
++	if(sBlk->block_size > PAGE_CACHE_SIZE) {
++		if(!(msBlk->read_page = (char *) kmalloc(sBlk->block_size, GFP_KERNEL))) {
++			ERROR("Failed to allocate read_page block\n");
++			goto failed_mount2;
++		}
++	} else
++		msBlk->read_page = NULL;
++
++	/* Allocate uid and gid tables */
++	if(!(msBlk->uid = (squashfs_uid *) kmalloc((sBlk->no_uids +
++		sBlk->no_guids) * sizeof(squashfs_uid), GFP_KERNEL))) {
++		ERROR("Failed to allocate uid/gid table\n");
++		goto failed_mount3;
++	}
++	msBlk->guid = msBlk->uid + sBlk->no_uids;
++   
++	if(msBlk->swap) {
++		squashfs_uid suid[sBlk->no_uids + sBlk->no_guids];
++
++		if(!read_data(s, (char *) &suid, sBlk->uid_start, ((sBlk->no_uids + sBlk->no_guids) *
++				sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
++			SERROR("unable to read uid/gid table\n");
++			goto failed_mount4;
++		}
++		SQUASHFS_SWAP_DATA(msBlk->uid, suid, (sBlk->no_uids + sBlk->no_guids), (sizeof(squashfs_uid) * 8));
++	} else
++		if(!read_data(s, (char *) msBlk->uid, sBlk->uid_start, ((sBlk->no_uids + sBlk->no_guids) *
++				sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
++			SERROR("unable to read uid/gid table\n");
++			goto failed_mount4;
++		}
++
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++	if(sBlk->s_major == 1) {
++		msBlk->iget = squashfs_iget_1;
++		msBlk->read_blocklist = read_blocklist_1;
++		msBlk->fragment = NULL;
++		msBlk->fragment_index = NULL;
++		goto allocate_root;
++	}
++#endif
++	msBlk->iget = squashfs_iget;
++	msBlk->read_blocklist = read_blocklist;
++
++	if(!(msBlk->fragment = (struct squashfs_fragment_cache *) kmalloc(sizeof(struct squashfs_fragment_cache) * SQUASHFS_CACHED_FRAGMENTS, GFP_KERNEL))) {
++		ERROR("Failed to allocate fragment block cache\n");
++		goto failed_mount4;
++	}
++
++	for(i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) {
++		msBlk->fragment[i].locked = 0;
++		msBlk->fragment[i].block = SQUASHFS_INVALID_BLK;
++		msBlk->fragment[i].data = NULL;
++	}
++
++	msBlk->next_fragment = 0;
++
++	/* Allocate fragment index table */
++	if(!(msBlk->fragment_index = (squashfs_fragment_index *) kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments), GFP_KERNEL))) {
++		ERROR("Failed to allocate uid/gid table\n");
++		goto failed_mount5;
++	}
++   
++	if(SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments) &&
++	 	!read_data(s, (char *) msBlk->fragment_index, sBlk->fragment_table_start,
++		SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments) | SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
++			SERROR("unable to read fragment index table\n");
++			goto failed_mount6;
++	}
++
++	if(msBlk->swap) {
++		int i;
++		squashfs_fragment_index fragment;
++
++		for(i = 0; i < SQUASHFS_FRAGMENT_INDEXES(sBlk->fragments); i++) {
++			SQUASHFS_SWAP_FRAGMENT_INDEXES((&fragment), &msBlk->fragment_index[i], 1);
++			msBlk->fragment_index[i] = fragment;
++		}
++	}
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++allocate_root:
++#endif
++	if(!(s->s_root = d_alloc_root((msBlk->iget)(s, sBlk->root_inode)))) {
++		ERROR("Root inode create failed\n");
++		goto failed_mount5;
++	}
++
++	TRACE("Leaving squashfs_read_super\n");
++	return s;
++
++failed_mount6:
++	kfree(msBlk->fragment_index);
++failed_mount5:
++	kfree(msBlk->fragment);
++failed_mount4:
++	kfree(msBlk->uid);
++failed_mount3:
++	kfree(msBlk->read_page);
++failed_mount2:
++	kfree(msBlk->read_data);
++failed_mount1:
++	kfree(msBlk->block_cache);
++failed_mount:
++	return NULL;
++}
++
++
++static int squashfs_statfs(struct super_block *s, struct statfs *buf)
++{
++	squashfs_super_block *sBlk = &s->u.squashfs_sb.sBlk;
++
++	TRACE("Entered squashfs_statfs\n");
++	buf->f_type = SQUASHFS_MAGIC;
++	buf->f_bsize = sBlk->block_size;
++	buf->f_blocks = ((sBlk->bytes_used - 1) >> sBlk->block_log) + 1;
++	buf->f_bfree = buf->f_bavail = 0;
++	buf->f_files = sBlk->inodes;
++	buf->f_ffree = 0;
++	buf->f_namelen = SQUASHFS_NAME_LEN;
++	return 0;
++}
++
++
++static int squashfs_symlink_readpage(struct file *file, struct page *page)
++{
++	struct inode *inode = page->mapping->host;
++	int index = page->index << PAGE_CACHE_SHIFT, length, bytes;
++	unsigned int block = inode->u.squashfs_i.start_block;
++	int offset = inode->u.squashfs_i.offset;
++ 	void *pageaddr = kmap(page);
++
++	TRACE("Entered squashfs_symlink_readpage, page index %x, start block %x, offset %x\n",
++		(unsigned int) page->index, inode->u.squashfs_i.start_block, inode->u.squashfs_i.offset);
++
++	for(length = 0; length < index; length += bytes) {
++		if(!(bytes = squashfs_get_cached_block(inode->i_sb, NULL, block, offset,
++					PAGE_CACHE_SIZE, &block, &offset))) {
++			ERROR("Unable to read symbolic link [%x:%x]\n", block, offset);
++			goto skip_read;
++		}
++	}
++
++	if(length != index) {
++		ERROR("(squashfs_symlink_readpage) length != index\n");
++		bytes = 0;
++		goto skip_read;
++	}
++
++	bytes = (inode->i_size - length) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : inode->i_size - length;
++	if(!(bytes = squashfs_get_cached_block(inode->i_sb, pageaddr, block, offset, bytes, &block, &offset)))
++		ERROR("Unable to read symbolic link [%x:%x]\n", block, offset);
++
++skip_read:
++	memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++	kunmap(page);
++	flush_dcache_page(page);
++	SetPageUptodate(page);
++	UnlockPage(page);
++
++	return 0;
++}
++
++
++#define SIZE 256
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static unsigned int read_blocklist_1(struct inode *inode, int index, int readahead_blks,
++		char *block_list, unsigned short **block_p, unsigned int *bsize)
++{
++	squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++	unsigned short *block_listp;
++	int i = 0;
++	int block_ptr = inode->u.squashfs_i.block_list_start;
++	int offset = inode->u.squashfs_i.offset;
++	unsigned int block = inode->u.squashfs_i.start_block;
++
++	for(;;) {
++		int blocks = (index + readahead_blks - i);
++		if(blocks > (SIZE >> 1)) {
++			if((index - i) <= (SIZE >> 1))
++				blocks = index - i;
++			else
++				blocks = SIZE >> 1;
++		}
++
++		if(msBlk->swap) {
++			unsigned char sblock_list[SIZE];
++			if(!squashfs_get_cached_block(inode->i_sb, (char *) sblock_list, block_ptr, offset, blocks << 1, &block_ptr, &offset)) {
++				ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++				return 0;
++			}
++			SQUASHFS_SWAP_SHORTS(((unsigned short *)block_list), ((unsigned short *)sblock_list), blocks);
++		} else
++			if(!squashfs_get_cached_block(inode->i_sb, (char *) block_list, block_ptr, offset, blocks << 1, &block_ptr, &offset)) {
++				ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++				return 0;
++			}
++		for(block_listp = (unsigned short *) block_list; i < index && blocks; i ++, block_listp ++, blocks --)
++			block += SQUASHFS_COMPRESSED_SIZE(*block_listp);
++		if(blocks >= readahead_blks)
++			break;
++	}
++
++	if(bsize)
++		*bsize = SQUASHFS_COMPRESSED_SIZE(*block_listp) | (!SQUASHFS_COMPRESSED(*block_listp) ? SQUASHFS_COMPRESSED_BIT_BLOCK : 0);
++	else
++		*block_p = block_listp;
++	return block;
++}
++#endif
++
++
++
++static unsigned int read_blocklist(struct inode *inode, int index, int readahead_blks,
++		char *block_list, unsigned short **block_p, unsigned int *bsize)
++{
++	squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++	unsigned int *block_listp;
++	int i = 0;
++	int block_ptr = inode->u.squashfs_i.block_list_start;
++	int offset = inode->u.squashfs_i.offset;
++	unsigned int block = inode->u.squashfs_i.start_block;
++
++	for(;;) {
++		int blocks = (index + readahead_blks - i);
++		if(blocks > (SIZE >> 2)) {
++			if((index - i) <= (SIZE >> 2))
++				blocks = index - i;
++			else
++				blocks = SIZE >> 2;
++		}
++
++		if(msBlk->swap) {
++			unsigned char sblock_list[SIZE];
++			if(!squashfs_get_cached_block(inode->i_sb, (char *) sblock_list, block_ptr, offset, blocks << 2, &block_ptr, &offset)) {
++				ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++				return 0;
++			}
++			SQUASHFS_SWAP_INTS(((unsigned int *)block_list), ((unsigned int *)sblock_list), blocks);
++		} else
++			if(!squashfs_get_cached_block(inode->i_sb, (char *) block_list, block_ptr, offset, blocks << 2, &block_ptr, &offset)) {
++				ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++				return 0;
++			}
++		for(block_listp = (unsigned int *) block_list; i < index && blocks; i ++, block_listp ++, blocks --)
++			block += SQUASHFS_COMPRESSED_SIZE_BLOCK(*block_listp);
++		if(blocks >= readahead_blks)
++			break;
++	}
++
++	*bsize = *block_listp;
++	return block;
++}
++
++
++static int squashfs_readpage(struct file *file, struct page *page)
++{
++	struct inode *inode = page->mapping->host;
++	squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	unsigned char block_list[SIZE];
++	unsigned int bsize, block, i = 0, bytes = 0, byte_offset = 0;
++	int index = page->index >> (sBlk->block_log - PAGE_CACHE_SHIFT);
++ 	void *pageaddr = kmap(page);
++	struct squashfs_fragment_cache *fragment = NULL;
++	char *data_ptr = msBlk->read_page;
++	
++	int mask = (1 << (sBlk->block_log - PAGE_CACHE_SHIFT)) - 1;
++	int start_index = page->index & ~mask;
++	int end_index = start_index | mask;
++
++	TRACE("Entered squashfs_readpage, page index %x, start block %x\n", (unsigned int) page->index,
++		inode->u.squashfs_i.start_block);
++
++	if(page->index >= ((inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT)) {
++		goto skip_read;
++	}
++
++	if(inode->u.squashfs_i.u.s1.fragment_start_block == SQUASHFS_INVALID_BLK || index < (inode->i_size >> sBlk->block_log)) {
++		if((block = (msBlk->read_blocklist)(inode, index, 1, block_list, NULL, &bsize)) == 0)
++			goto skip_read;
++
++		down(&msBlk->read_page_mutex);
++		if(!(bytes = read_data(inode->i_sb, msBlk->read_page, block, bsize, NULL))) {
++			ERROR("Unable to read page, block %x, size %x\n", block, bsize);
++			up(&msBlk->read_page_mutex);
++			goto skip_read;
++		}
++	} else {
++		if((fragment = get_cached_fragment(inode->i_sb, inode->u.squashfs_i.u.s1.fragment_start_block, inode->u.squashfs_i.u.s1.fragment_size)) == NULL) {
++			ERROR("Unable to read page, block %x, size %x\n", inode->u.squashfs_i.u.s1.fragment_start_block, (int) inode->u.squashfs_i.u.s1.fragment_size);
++			goto skip_read;
++		}
++		bytes = inode->u.squashfs_i.u.s1.fragment_offset + (inode->i_size & (sBlk->block_size - 1));
++		byte_offset = inode->u.squashfs_i.u.s1.fragment_offset;
++		data_ptr = fragment->data;
++	}
++
++	for(i = start_index; i <= end_index && byte_offset < bytes; i++, byte_offset += PAGE_CACHE_SIZE) {
++		struct page *push_page;
++		int available_bytes = (bytes - byte_offset) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : bytes - byte_offset;
++
++		TRACE("bytes %d, i %d, byte_offset %d, available_bytes %d\n", bytes, i, byte_offset, available_bytes);
++
++		if(i == page->index)  {
++			memcpy(pageaddr, data_ptr + byte_offset, available_bytes);
++			memset(pageaddr + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
++			kunmap(page);
++			flush_dcache_page(page);
++			SetPageUptodate(page);
++			UnlockPage(page);
++		} else if((push_page = grab_cache_page_nowait(page->mapping, i))) {
++ 			void *pageaddr = kmap(push_page);
++			memcpy(pageaddr, data_ptr + byte_offset, available_bytes);
++			memset(pageaddr + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
++			kunmap(push_page);
++			flush_dcache_page(push_page);
++			SetPageUptodate(push_page);
++			UnlockPage(push_page);
++			page_cache_release(push_page);
++		}
++	}
++
++	if(inode->u.squashfs_i.u.s1.fragment_start_block == SQUASHFS_INVALID_BLK || index < (inode->i_size >> sBlk->block_log))
++		up(&msBlk->read_page_mutex);
++	else
++		release_cached_fragment(msBlk, fragment);
++
++	return 0;
++
++skip_read:
++	memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++	kunmap(page);
++	flush_dcache_page(page);
++	SetPageUptodate(page);
++	UnlockPage(page);
++
++	return 0;
++}
++
++
++static int squashfs_readpage4K(struct file *file, struct page *page)
++{
++	struct inode *inode = page->mapping->host;
++	squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	unsigned char block_list[SIZE];
++	unsigned int bsize, block, bytes = 0;
++ 	void *pageaddr = kmap(page);
++	
++	TRACE("Entered squashfs_readpage4K, page index %x, start block %x\n", (unsigned int) page->index,
++		inode->u.squashfs_i.start_block);
++
++	if(page->index >= ((inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT)) {
++		goto skip_read;
++	}
++
++	if(inode->u.squashfs_i.u.s1.fragment_start_block == SQUASHFS_INVALID_BLK || page->index < (inode->i_size >> sBlk->block_log)) {
++		block = (msBlk->read_blocklist)(inode, page->index, 1, block_list, NULL, &bsize);
++
++		if(!(bytes = read_data(inode->i_sb, pageaddr, block, bsize, NULL)))
++			ERROR("Unable to read page, block %x, size %x\n", block, bsize);
++	} else {
++		struct squashfs_fragment_cache *fragment;
++
++		if((fragment = get_cached_fragment(inode->i_sb, inode->u.squashfs_i.u.s1.fragment_start_block, inode->u.squashfs_i.u.s1.fragment_size)) == NULL)
++			ERROR("Unable to read page, block %x, size %x\n", inode->u.squashfs_i.u.s1.fragment_start_block, (int) inode->u.squashfs_i.u.s1.fragment_size);
++		else {
++			bytes = inode->i_size & (sBlk->block_size - 1);
++			memcpy(pageaddr, fragment->data + inode->u.squashfs_i.u.s1.fragment_offset, bytes);
++			release_cached_fragment(msBlk, fragment);
++		}
++	}
++
++skip_read:
++	memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++	kunmap(page);
++	flush_dcache_page(page);
++	SetPageUptodate(page);
++	UnlockPage(page);
++
++	return 0;
++}
++
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static int squashfs_readpage_lessthan4K(struct file *file, struct page *page)
++{
++	struct inode *inode = page->mapping->host;
++	squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	unsigned char block_list[SIZE];
++	unsigned short *block_listp, block, bytes = 0;
++	int index = page->index << (PAGE_CACHE_SHIFT - sBlk->block_log);
++	int file_blocks = ((inode->i_size - 1) >> sBlk->block_log) + 1;
++	int readahead_blks = 1 << (PAGE_CACHE_SHIFT - sBlk->block_log);
++ 	void *pageaddr = kmap(page);
++	
++	int i_end = index + (1 << (PAGE_CACHE_SHIFT - sBlk->block_log));
++	int byte;
++
++	TRACE("Entered squashfs_readpage_lessthan4K, page index %x, start block %x\n", (unsigned int) page->index,
++		inode->u.squashfs_i.start_block);
++
++	block = read_blocklist_1(inode, index, readahead_blks, block_list, &block_listp, NULL);
++
++	if(i_end > file_blocks)
++		i_end = file_blocks;
++
++	while(index < i_end) {
++		int c_byte = !SQUASHFS_COMPRESSED(*block_listp) ? SQUASHFS_COMPRESSED_SIZE(*block_listp) | SQUASHFS_COMPRESSED_BIT_BLOCK : *block_listp;
++		if(!(byte = read_data(inode->i_sb, pageaddr, block, c_byte, NULL))) {
++			ERROR("Unable to read page, block %x, size %x\n", block, *block_listp);
++			goto skip_read;
++		}
++		block += SQUASHFS_COMPRESSED_SIZE(*block_listp);
++		pageaddr += byte;
++		bytes += byte;
++		index ++;
++		block_listp ++;
++	}
++
++skip_read:
++	memset(pageaddr, 0, PAGE_CACHE_SIZE - bytes);
++	kunmap(page);
++	flush_dcache_page(page);
++	SetPageUptodate(page);
++	UnlockPage(page);
++
++	return 0;
++}
++#endif
++
++
++static int get_dir_index_using_offset(struct super_block *s, unsigned int *next_block,
++	unsigned int *next_offset, unsigned int index_start, unsigned int index_offset,
++	int i_count, long long f_pos)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	int i, length = 0;
++	squashfs_dir_index index;
++
++	TRACE("Entered get_dir_index_using_offset, i_count %d, f_pos %d\n", i_count, (unsigned int) f_pos);
++
++	if(f_pos == 0)
++		return 0;
++
++	for(i = 0; i < i_count; i++) {
++		if(msBlk->swap) {
++			squashfs_dir_index sindex;
++			squashfs_get_cached_block(s, (char *) &sindex, index_start, index_offset,
++				sizeof(sindex), &index_start, &index_offset);
++			SQUASHFS_SWAP_DIR_INDEX(&index, &sindex);
++		} else
++			squashfs_get_cached_block(s, (char *) &index, index_start, index_offset,
++				sizeof(index), &index_start, &index_offset);
++
++		if(index.index > f_pos)
++			break;
++
++		squashfs_get_cached_block(s, NULL, index_start, index_offset,
++				index.size + 1, &index_start, &index_offset);
++
++		length = index.index;
++		*next_block = index.start_block + sBlk->directory_table_start;
++	}
++
++	*next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
++	return length;
++}
++
++
++static int get_dir_index_using_name(struct super_block *s, unsigned int *next_block,
++	unsigned int *next_offset, unsigned int index_start, unsigned int index_offset,
++	int i_count, const char *name, int size)
++{
++	squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	int i, length = 0;
++	char buffer[sizeof(squashfs_dir_index) + SQUASHFS_NAME_LEN + 1];
++	squashfs_dir_index *index = (squashfs_dir_index *) buffer;
++	char str[SQUASHFS_NAME_LEN + 1];
++
++	TRACE("Entered get_dir_index_using_name, i_count %d\n", i_count);
++
++	strncpy(str, name, size);
++	str[size] = '\0';
++
++	for(i = 0; i < i_count; i++) {
++		if(msBlk->swap) {
++			squashfs_dir_index sindex;
++			squashfs_get_cached_block(s, (char *) &sindex, index_start, index_offset,
++				sizeof(sindex), &index_start, &index_offset);
++			SQUASHFS_SWAP_DIR_INDEX(index, &sindex);
++		} else
++			squashfs_get_cached_block(s, (char *) index, index_start, index_offset,
++				sizeof(squashfs_dir_index), &index_start, &index_offset);
++
++		squashfs_get_cached_block(s, index->name, index_start, index_offset,
++				index->size + 1, &index_start, &index_offset);
++
++		index->name[index->size + 1] = '\0';
++
++		if(strcmp(index->name, str) > 0)
++			break;
++
++		length = index->index;
++		*next_block = index->start_block + sBlk->directory_table_start;
++	}
++
++	*next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
++	return length;
++}
++
++
++static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir)
++{
++	struct inode *i = file->f_dentry->d_inode;
++	squashfs_sb_info *msBlk = &i->i_sb->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	int next_block = i->u.squashfs_i.start_block + sBlk->directory_table_start, next_offset =
++		i->u.squashfs_i.offset, length = 0, dirs_read = 0, dir_count;
++	squashfs_dir_header dirh;
++	char buffer[sizeof(squashfs_dir_entry) + SQUASHFS_NAME_LEN + 1];
++	squashfs_dir_entry *dire = (squashfs_dir_entry *) buffer;
++
++	TRACE("Entered squashfs_readdir [%x:%x]\n", next_block, next_offset);
++
++	length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset, i->u.squashfs_i.u.s2.directory_index_start,
++		i->u.squashfs_i.u.s2.directory_index_offset, i->u.squashfs_i.u.s2.directory_index_count, file->f_pos);
++
++	while(length < i->i_size) {
++		/* read directory header */
++		if(msBlk->swap) {
++			squashfs_dir_header sdirh;
++			if(!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, next_block,
++						next_offset, sizeof(sdirh), &next_block, &next_offset))
++				goto failed_read;
++			length += sizeof(sdirh);
++			SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh);
++		} else {
++			if(!squashfs_get_cached_block(i->i_sb, (char *) &dirh, next_block,
++						next_offset, sizeof(dirh), &next_block, &next_offset))
++				goto failed_read;
++			length += sizeof(dirh);
++		}
++
++		dir_count = dirh.count + 1;
++		while(dir_count--) {
++			if(msBlk->swap) {
++				squashfs_dir_entry sdire;
++				if(!squashfs_get_cached_block(i->i_sb, (char *) &sdire, next_block,
++							next_offset, sizeof(sdire), &next_block, &next_offset))
++					goto failed_read;
++				length += sizeof(sdire);
++				SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire);
++			} else {
++				if(!squashfs_get_cached_block(i->i_sb, (char *) dire, next_block,
++							next_offset, sizeof(*dire), &next_block, &next_offset))
++					goto failed_read;
++				length += sizeof(*dire);
++			}
++
++			if(!squashfs_get_cached_block(i->i_sb, dire->name, next_block,
++						next_offset, dire->size + 1, &next_block, &next_offset))
++				goto failed_read;
++			length += dire->size + 1;
++
++			if(file->f_pos >= length)
++				continue;
++
++			dire->name[dire->size + 1] = '\0';
++
++			TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d)\n", (unsigned int) dirent,
++			dire->name, dire->size + 1, (int) file->f_pos,
++			dirh.start_block, dire->offset, squashfs_filetype_table[dire->type]);
++
++			if(filldir(dirent, dire->name, dire->size + 1, file->f_pos, SQUASHFS_MK_VFS_INODE(dirh.start_block,
++							dire->offset), squashfs_filetype_table[dire->type]) < 0) {
++				TRACE("Filldir returned less than 0\n");
++				return dirs_read;
++			}
++
++			file->f_pos = length;
++			dirs_read ++;
++		}
++	}
++
++	return dirs_read;
++
++failed_read:
++	ERROR("Unable to read directory block [%x:%x]\n", next_block, next_offset);
++	return 0;
++}
++
++
++static struct dentry *squashfs_lookup(struct inode *i, struct dentry *dentry)
++{
++	const char *name =dentry->d_name.name;
++	int len = dentry->d_name.len;
++	struct inode *inode = NULL;
++	squashfs_sb_info *msBlk = &i->i_sb->u.squashfs_sb;
++	squashfs_super_block *sBlk = &msBlk->sBlk;
++	int next_block = i->u.squashfs_i.start_block + sBlk->directory_table_start, next_offset =
++		i->u.squashfs_i.offset, length = 0, dir_count;
++	squashfs_dir_header dirh;
++	char buffer[sizeof(squashfs_dir_entry) + SQUASHFS_NAME_LEN];
++	squashfs_dir_entry *dire = (squashfs_dir_entry *) buffer;
++	int squashfs_2_1 = sBlk->s_major == 2 && sBlk->s_minor == 1;
++
++	TRACE("Entered squashfs_lookup [%x:%x]\n", next_block, next_offset);
++
++	length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset, i->u.squashfs_i.u.s2.directory_index_start,
++		i->u.squashfs_i.u.s2.directory_index_offset, i->u.squashfs_i.u.s2.directory_index_count, name, len);
++
++	while(length < i->i_size) {
++		/* read directory header */
++		if(msBlk->swap) {
++			squashfs_dir_header sdirh;
++			if(!squashfs_get_cached_block(i->i_sb, (char *) &sdirh, next_block, next_offset,
++						sizeof(sdirh), &next_block, &next_offset))
++				goto failed_read;
++			length += sizeof(sdirh);
++			SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh);
++		} else {
++			if(!squashfs_get_cached_block(i->i_sb, (char *) &dirh, next_block, next_offset,
++						sizeof(dirh), &next_block, &next_offset))
++				goto failed_read;
++			length += sizeof(dirh);
++		}
++
++		dir_count = dirh.count + 1;
++		while(dir_count--) {
++			if(msBlk->swap) {
++				squashfs_dir_entry sdire;
++				if(!squashfs_get_cached_block(i->i_sb, (char *) &sdire,
++							next_block,next_offset, sizeof(sdire), &next_block, &next_offset))
++					goto failed_read;
++				length += sizeof(sdire);
++				SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire);
++			} else {
++				if(!squashfs_get_cached_block(i->i_sb, (char *) dire,
++							next_block,next_offset, sizeof(*dire), &next_block, &next_offset))
++					goto failed_read;
++				length += sizeof(*dire);
++			}
++
++			if(!squashfs_get_cached_block(i->i_sb, dire->name,
++						next_block, next_offset, dire->size + 1, &next_block, &next_offset))
++				goto failed_read;
++			length += dire->size + 1;
++
++			if(squashfs_2_1 && name[0] < dire->name[0])
++				goto exit_loop;
++
++			if((len == dire->size + 1) && !strncmp(name, dire->name, len)) {
++				squashfs_inode ino = SQUASHFS_MKINODE(dirh.start_block, dire->offset);
++
++				TRACE("calling squashfs_iget for directory entry %s, inode %x:%x\n",
++						name, dirh.start_block, dire->offset);
++
++				inode = (msBlk->iget)(i->i_sb, ino);
++
++				goto exit_loop;
++			}
++		}
++	}
++
++exit_loop:
++	d_add(dentry, inode);
++	return ERR_PTR(0);
++
++failed_read:
++	ERROR("Unable to read directory block [%x:%x]\n", next_block, next_offset);
++	goto exit_loop;
++}
++
++
++static void squashfs_put_super(struct super_block *s)
++{
++	int i;
++
++	squashfs_sb_info *sbi = (squashfs_sb_info *) &s->u.squashfs_sb;
++	if(sbi->block_cache) {
++		for(i = 0; i < SQUASHFS_CACHED_BLKS; i++)
++			if(sbi->block_cache[i].block != SQUASHFS_INVALID_BLK)
++				kfree(sbi->block_cache[i].data);
++		kfree(sbi->block_cache);
++	}
++	if(sbi->read_data) kfree(sbi->read_data);
++	if(sbi->read_page) kfree(sbi->read_page);
++	if(sbi->uid) kfree(sbi->uid);
++	if(sbi->fragment) {
++		for(i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) 
++			if(sbi->fragment[i].data != NULL)
++				kfree(sbi->fragment[i].data);
++		kfree(sbi->fragment);
++	}
++	if(sbi->fragment_index) kfree(sbi->fragment_index);
++	sbi->block_cache = NULL;
++	sbi->uid = NULL;
++	sbi->read_data = NULL;
++	sbi->read_page = NULL;
++	sbi->fragment = NULL;
++	sbi->fragment_index = NULL;
++}
++
++
++static int __init init_squashfs_fs(void)
++{
++
++	printk(KERN_INFO "Squashfs 2.1-r2 (released 2004/12/15) (C) 2002-2004 Phillip Lougher\n");
++
++	if(!(stream.workspace = (char *) vmalloc(zlib_inflate_workspacesize()))) {
++		ERROR("Failed to allocate zlib workspace\n");
++		return -ENOMEM;
++	}
++	return register_filesystem(&squashfs_fs_type);
++}
++
++
++static void __exit exit_squashfs_fs(void)
++{
++	vfree(stream.workspace);
++	unregister_filesystem(&squashfs_fs_type);
++}
++
++
++EXPORT_NO_SYMBOLS;
++
++module_init(init_squashfs_fs);
++module_exit(exit_squashfs_fs);
++MODULE_DESCRIPTION("squashfs, a compressed read-only filesystem");
++MODULE_AUTHOR("Phillip Lougher <plougher@users.sourceforge.net>");
++MODULE_LICENSE("GPL");
+diff --new-file -ur linux-2.4.28/fs/squashfs/Makefile linux-2.4.28-squashfs2.1-r2/fs/squashfs/Makefile
+--- linux-2.4.28/fs/squashfs/Makefile	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.4.28-squashfs2.1-r2/fs/squashfs/Makefile	2004-12-02 02:14:05.000000000 +0000
+@@ -0,0 +1,11 @@
++#
++# Makefile for the linux squashfs routines.
++#
++
++O_TARGET := squashfs.o
++
++obj-y  := inode.o
++
++obj-m := $(O_TARGET)
++
++include $(TOPDIR)/Rules.make
+diff --new-file -ur linux-2.4.28/include/linux/fs.h linux-2.4.28-squashfs2.1-r2/include/linux/fs.h
+--- linux-2.4.28/include/linux/fs.h	2004-11-17 11:54:22.000000000 +0000
++++ linux-2.4.28-squashfs2.1-r2/include/linux/fs.h	2004-12-02 02:14:05.000000000 +0000
+@@ -324,6 +324,7 @@
+ #include <linux/usbdev_fs_i.h>
+ #include <linux/jffs2_fs_i.h>
+ #include <linux/cramfs_fs_sb.h>
++#include <linux/squashfs_fs_i.h>
+ 
+ /*
+  * Attribute flags.  These should be or-ed together to figure out what
+@@ -519,6 +520,7 @@
+ 		struct socket			socket_i;
+ 		struct usbdev_inode_info        usbdev_i;
+ 		struct jffs2_inode_info		jffs2_i;
++		struct squashfs_inode_info	squashfs_i;
+ 		void				*generic_ip;
+ 	} u;
+ };
+@@ -733,6 +735,7 @@
+ #include <linux/usbdev_fs_sb.h>
+ #include <linux/cramfs_fs_sb.h>
+ #include <linux/jffs2_fs_sb.h>
++#include <linux/squashfs_fs_sb.h>
+ 
+ extern struct list_head super_blocks;
+ extern spinlock_t sb_lock;
+@@ -792,6 +795,7 @@
+ 		struct usbdev_sb_info   usbdevfs_sb;
+ 		struct jffs2_sb_info	jffs2_sb;
+ 		struct cramfs_sb_info	cramfs_sb;
++		struct squashfs_sb_info	squashfs_sb;
+ 		void			*generic_sbp;
+ 	} u;
+ 	/*
+diff --new-file -ur linux-2.4.28/include/linux/squashfs_fs.h linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs.h
+--- linux-2.4.28/include/linux/squashfs_fs.h	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs.h	2004-12-02 02:52:36.000000000 +0000
+@@ -0,0 +1,512 @@
++#ifndef SQUASHFS_FS
++#define SQUASHFS_FS
++/*
++ * Squashfs
++ *
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
++ *
++ * 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,
++ * or (at your option) any later version.
++ *
++ * 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 the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++ *
++ * squashfs_fs.h
++ */
++
++#define SQUASHFS_MAJOR			2
++#define SQUASHFS_MINOR			1
++#define SQUASHFS_MAGIC			0x73717368
++#define SQUASHFS_MAGIC_SWAP		0x68737173
++#define SQUASHFS_START			0
++
++/* size of metadata (inode and directory) blocks */
++#define SQUASHFS_METADATA_SIZE		8192
++#define SQUASHFS_METADATA_LOG		13
++
++/* default size of data blocks */
++#define SQUASHFS_FILE_SIZE		65536
++#define SQUASHFS_FILE_LOG		16
++
++#define SQUASHFS_FILE_MAX_SIZE		65536
++
++/* Max number of uids and gids */
++#define SQUASHFS_UIDS			256
++#define SQUASHFS_GUIDS			255
++
++/* Max length of filename (not 255) */
++#define SQUASHFS_NAME_LEN		256
++
++#define SQUASHFS_INVALID		((long long) 0xffffffffffff)
++#define SQUASHFS_INVALID_BLK		((long long) 0xffffffff)
++#define SQUASHFS_USED_BLK		((long long) 0xfffffffe)
++
++/* Filesystem flags */
++#define SQUASHFS_NOI			0
++#define SQUASHFS_NOD			1
++#define SQUASHFS_CHECK			2
++#define SQUASHFS_NOF			3
++#define SQUASHFS_NO_FRAG		4
++#define SQUASHFS_ALWAYS_FRAG		5
++#define SQUASHFS_DUPLICATE		6
++#define SQUASHFS_BIT(flag, bit)		((flag >> bit) & 1)
++#define SQUASHFS_UNCOMPRESSED_INODES(flags)	SQUASHFS_BIT(flags, SQUASHFS_NOI)
++#define SQUASHFS_UNCOMPRESSED_DATA(flags)	SQUASHFS_BIT(flags, SQUASHFS_NOD)
++#define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags)	SQUASHFS_BIT(flags, SQUASHFS_NOF)
++#define SQUASHFS_NO_FRAGMENTS(flags)		SQUASHFS_BIT(flags, SQUASHFS_NO_FRAG)
++#define SQUASHFS_ALWAYS_FRAGMENTS(flags)	SQUASHFS_BIT(flags, SQUASHFS_ALWAYS_FRAG)
++#define SQUASHFS_DUPLICATES(flags)		SQUASHFS_BIT(flags, SQUASHFS_DUPLICATE)
++#define SQUASHFS_CHECK_DATA(flags)		SQUASHFS_BIT(flags, SQUASHFS_CHECK)
++#define SQUASHFS_MKFLAGS(noi, nod, check_data, nof, no_frag, always_frag, duplicate_checking)	(noi | (nod << 1) | (check_data << 2) | (nof << 3) | (no_frag << 4) | (always_frag << 5) | (duplicate_checking << 6))
++
++/* Max number of types and file types */
++#define SQUASHFS_DIR_TYPE		1
++#define SQUASHFS_FILE_TYPE		2
++#define SQUASHFS_SYMLINK_TYPE		3
++#define SQUASHFS_BLKDEV_TYPE		4
++#define SQUASHFS_CHRDEV_TYPE		5
++#define SQUASHFS_FIFO_TYPE		6
++#define SQUASHFS_SOCKET_TYPE		7
++#define SQUASHFS_LDIR_TYPE		8
++
++/* 1.0 filesystem type definitions */
++#define SQUASHFS_TYPES			5
++#define SQUASHFS_IPC_TYPE		0
++
++/* Flag whether block is compressed or uncompressed, bit is set if block is uncompressed */
++#define SQUASHFS_COMPRESSED_BIT		(1 << 15)
++#define SQUASHFS_COMPRESSED_SIZE(B)	(((B) & ~SQUASHFS_COMPRESSED_BIT) ? \
++					(B) & ~SQUASHFS_COMPRESSED_BIT : SQUASHFS_COMPRESSED_BIT)
++
++#define SQUASHFS_COMPRESSED(B)		(!((B) & SQUASHFS_COMPRESSED_BIT))
++
++#define SQUASHFS_COMPRESSED_BIT_BLOCK		(1 << 24)
++#define SQUASHFS_COMPRESSED_SIZE_BLOCK(B)	(((B) & ~SQUASHFS_COMPRESSED_BIT_BLOCK) ? \
++					(B) & ~SQUASHFS_COMPRESSED_BIT_BLOCK : SQUASHFS_COMPRESSED_BIT_BLOCK)
++
++#define SQUASHFS_COMPRESSED_BLOCK(B)		(!((B) & SQUASHFS_COMPRESSED_BIT_BLOCK))
++
++/*
++ * Inode number ops.  Inodes consist of a compressed block number, and an uncompressed
++ * offset within that block
++ */
++#define SQUASHFS_INODE_BLK(a)		((unsigned int) ((a) >> 16))
++#define SQUASHFS_INODE_OFFSET(a)	((unsigned int) ((a) & 0xffff))
++#define SQUASHFS_MKINODE(A, B)		((squashfs_inode)(((squashfs_inode) (A) << 16)\
++					+ (B)))
++
++/* Compute 32 bit VFS inode number from squashfs inode number */
++#define SQUASHFS_MK_VFS_INODE(a, b)	((unsigned int) (((a) << 8) + ((b) >> 2) + 1))
++
++/* Translate between VFS mode and squashfs mode */
++#define SQUASHFS_MODE(a)		((a) & 0xfff)
++
++/* fragment and fragment table defines */
++typedef unsigned int			squashfs_fragment_index;
++#define SQUASHFS_FRAGMENT_BYTES(A)	(A * sizeof(squashfs_fragment_entry))
++#define SQUASHFS_FRAGMENT_INDEX(A)	(SQUASHFS_FRAGMENT_BYTES(A) / SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEX_OFFSET(A)	(SQUASHFS_FRAGMENT_BYTES(A) % SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEXES(A)	((SQUASHFS_FRAGMENT_BYTES(A) + SQUASHFS_METADATA_SIZE - 1) / SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEX_BYTES(A)	(SQUASHFS_FRAGMENT_INDEXES(A) * sizeof(squashfs_fragment_index))
++#define SQUASHFS_CACHED_FRAGMENTS	3
++
++/* cached data constants for filesystem */
++#define SQUASHFS_CACHED_BLKS		8
++
++#define SQUASHFS_MAX_FILE_SIZE_LOG	32
++#define SQUASHFS_MAX_FILE_SIZE		((long long) 1 << (SQUASHFS_MAX_FILE_SIZE_LOG - 1))
++
++#define SQUASHFS_MARKER_BYTE		0xff
++
++
++/*
++ * definitions for structures on disk
++ */
++
++typedef unsigned int		squashfs_block;
++typedef long long		squashfs_inode;
++
++typedef unsigned int		squashfs_uid;
++
++typedef struct squashfs_super_block {
++	unsigned int		s_magic;
++	unsigned int		inodes;
++	unsigned int		bytes_used;
++	unsigned int		uid_start;
++	unsigned int		guid_start;
++	unsigned int		inode_table_start;
++	unsigned int		directory_table_start;
++	unsigned int		s_major:16;
++	unsigned int		s_minor:16;
++	unsigned int		block_size_1:16;
++	unsigned int		block_log:16;
++	unsigned int		flags:8;
++	unsigned int		no_uids:8;
++	unsigned int		no_guids:8;
++	unsigned int		mkfs_time /* time of filesystem creation */;
++	squashfs_inode		root_inode;
++	unsigned int		block_size;
++	unsigned int		fragments;
++	unsigned int		fragment_table_start;
++} __attribute__ ((packed)) squashfs_super_block;
++
++typedef struct {
++	unsigned int		index:27;
++	unsigned int		start_block:29;
++	unsigned char		size;
++	unsigned char		name[0];
++} __attribute__ ((packed)) squashfs_dir_index;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++} __attribute__ ((packed)) squashfs_base_inode_header;
++
++typedef squashfs_base_inode_header squashfs_ipc_inode_header;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++	unsigned short		rdev;
++} __attribute__ ((packed)) squashfs_dev_inode_header;
++	
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++	unsigned short		symlink_size;
++	char			symlink[0];
++} __attribute__ ((packed)) squashfs_symlink_inode_header;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++	unsigned int		mtime;
++	squashfs_block		start_block;
++	unsigned int		fragment;
++	unsigned int		offset;
++	unsigned int		file_size:SQUASHFS_MAX_FILE_SIZE_LOG;
++	unsigned short		block_list[0];
++} __attribute__ ((packed)) squashfs_reg_inode_header;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++	unsigned int		file_size:19;
++	unsigned int		offset:13;
++	unsigned int		mtime;
++	unsigned int		start_block:24;
++} __attribute__  ((packed)) squashfs_dir_inode_header;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:8; /* index into uid table */
++	unsigned int		guid:8; /* index into guid table */
++	unsigned int		file_size:27;
++	unsigned int		offset:13;
++	unsigned int		mtime;
++	unsigned int		start_block:24;
++	unsigned int		i_count:16;
++	squashfs_dir_index	index[0];
++} __attribute__  ((packed)) squashfs_ldir_inode_header;
++
++typedef union {
++	squashfs_base_inode_header	base;
++	squashfs_dev_inode_header	dev;
++	squashfs_symlink_inode_header	symlink;
++	squashfs_reg_inode_header	reg;
++	squashfs_dir_inode_header	dir;
++	squashfs_ldir_inode_header	ldir;
++	squashfs_ipc_inode_header	ipc;
++} squashfs_inode_header;
++	
++typedef struct {
++	unsigned int		offset:13;
++	unsigned int		type:3;
++	unsigned int		size:8;
++	char			name[0];
++} __attribute__ ((packed)) squashfs_dir_entry;
++
++typedef struct {
++	unsigned int		count:8;
++	unsigned int		start_block:24;
++} __attribute__ ((packed)) squashfs_dir_header;
++
++typedef struct {
++	unsigned int		start_block;
++	unsigned int		size;
++} __attribute__ ((packed)) squashfs_fragment_entry;
++
++extern int squashfs_uncompress_block(void *d, int dstlen, void *s, int srclen);
++extern int squashfs_uncompress_init(void);
++extern int squashfs_uncompress_exit(void);
++
++/*
++ * macros to convert each packed bitfield structure from little endian to big
++ * endian and vice versa.  These are needed when creating or using a filesystem on a
++ * machine with different byte ordering to the target architecture.
++ *
++ */
++
++#define SQUASHFS_SWAP_SUPER_BLOCK(s, d) {\
++	SQUASHFS_MEMSET(s, d, sizeof(squashfs_super_block));\
++	SQUASHFS_SWAP((s)->s_magic, d, 0, 32);\
++	SQUASHFS_SWAP((s)->inodes, d, 32, 32);\
++	SQUASHFS_SWAP((s)->bytes_used, d, 64, 32);\
++	SQUASHFS_SWAP((s)->uid_start, d, 96, 32);\
++	SQUASHFS_SWAP((s)->guid_start, d, 128, 32);\
++	SQUASHFS_SWAP((s)->inode_table_start, d, 160, 32);\
++	SQUASHFS_SWAP((s)->directory_table_start, d, 192, 32);\
++	SQUASHFS_SWAP((s)->s_major, d, 224, 16);\
++	SQUASHFS_SWAP((s)->s_minor, d, 240, 16);\
++	SQUASHFS_SWAP((s)->block_size_1, d, 256, 16);\
++	SQUASHFS_SWAP((s)->block_log, d, 272, 16);\
++	SQUASHFS_SWAP((s)->flags, d, 288, 8);\
++	SQUASHFS_SWAP((s)->no_uids, d, 296, 8);\
++	SQUASHFS_SWAP((s)->no_guids, d, 304, 8);\
++	SQUASHFS_SWAP((s)->mkfs_time, d, 312, 32);\
++	SQUASHFS_SWAP((s)->root_inode, d, 344, 64);\
++	SQUASHFS_SWAP((s)->block_size, d, 408, 32);\
++	SQUASHFS_SWAP((s)->fragments, d, 440, 32);\
++	SQUASHFS_SWAP((s)->fragment_table_start, d, 472, 32);\
++}
++
++#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, n) {\
++	SQUASHFS_MEMSET(s, d, n);\
++	SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
++	SQUASHFS_SWAP((s)->mode, d, 4, 12);\
++	SQUASHFS_SWAP((s)->uid, d, 16, 8);\
++	SQUASHFS_SWAP((s)->guid, d, 24, 8);\
++}
++
++#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_ipc_inode_header))
++
++#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dev_inode_header));\
++	SQUASHFS_SWAP((s)->rdev, d, 32, 16);\
++}
++
++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_symlink_inode_header));\
++	SQUASHFS_SWAP((s)->symlink_size, d, 32, 16);\
++}
++
++#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_reg_inode_header));\
++	SQUASHFS_SWAP((s)->mtime, d, 32, 32);\
++	SQUASHFS_SWAP((s)->start_block, d, 64, 32);\
++	SQUASHFS_SWAP((s)->fragment, d, 96, 32);\
++	SQUASHFS_SWAP((s)->offset, d, 128, 32);\
++	SQUASHFS_SWAP((s)->file_size, d, 160, SQUASHFS_MAX_FILE_SIZE_LOG);\
++}
++
++#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dir_inode_header));\
++	SQUASHFS_SWAP((s)->file_size, d, 32, 19);\
++	SQUASHFS_SWAP((s)->offset, d, 51, 13);\
++	SQUASHFS_SWAP((s)->mtime, d, 64, 32);\
++	SQUASHFS_SWAP((s)->start_block, d, 96, 24);\
++}
++
++#define SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_ldir_inode_header));\
++	SQUASHFS_SWAP((s)->file_size, d, 32, 27);\
++	SQUASHFS_SWAP((s)->offset, d, 59, 13);\
++	SQUASHFS_SWAP((s)->mtime, d, 72, 32);\
++	SQUASHFS_SWAP((s)->start_block, d, 104, 24);\
++	SQUASHFS_SWAP((s)->i_count, d, 128, 16);\
++}
++
++#define SQUASHFS_SWAP_DIR_INDEX(s, d) {\
++	SQUASHFS_MEMSET(s, d, sizeof(squashfs_dir_index));\
++	SQUASHFS_SWAP((s)->index, d, 0, 27);\
++	SQUASHFS_SWAP((s)->start_block, d, 27, 29);\
++	SQUASHFS_SWAP((s)->size, d, 56, 8);\
++}
++
++#define SQUASHFS_SWAP_DIR_HEADER(s, d) {\
++	SQUASHFS_MEMSET(s, d, sizeof(squashfs_dir_header));\
++	SQUASHFS_SWAP((s)->count, d, 0, 8);\
++	SQUASHFS_SWAP((s)->start_block, d, 8, 24);\
++}
++
++#define SQUASHFS_SWAP_DIR_ENTRY(s, d) {\
++	SQUASHFS_MEMSET(s, d, sizeof(squashfs_dir_entry));\
++	SQUASHFS_SWAP((s)->offset, d, 0, 13);\
++	SQUASHFS_SWAP((s)->type, d, 13, 3);\
++	SQUASHFS_SWAP((s)->size, d, 16, 8);\
++}
++
++#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) {\
++	SQUASHFS_MEMSET(s, d, sizeof(squashfs_fragment_entry));\
++	SQUASHFS_SWAP((s)->start_block, d, 0, 32);\
++	SQUASHFS_SWAP((s)->size, d, 32, 32);\
++}
++
++#define SQUASHFS_SWAP_SHORTS(s, d, n) {\
++	int entry;\
++	int bit_position;\
++	SQUASHFS_MEMSET(s, d, n * 2);\
++	for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += 16)\
++		SQUASHFS_SWAP(s[entry], d, bit_position, 16);\
++}
++
++#define SQUASHFS_SWAP_INTS(s, d, n) {\
++	int entry;\
++	int bit_position;\
++	SQUASHFS_MEMSET(s, d, n * 4);\
++	for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += 32)\
++		SQUASHFS_SWAP(s[entry], d, bit_position, 32);\
++}
++
++#define SQUASHFS_SWAP_DATA(s, d, n, bits) {\
++	int entry;\
++	int bit_position;\
++	SQUASHFS_MEMSET(s, d, n * bits / 8);\
++	for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += bits)\
++		SQUASHFS_SWAP(s[entry], d, bit_position, bits);\
++}
++
++#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_INTS(s, d, n)
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++} __attribute__ ((packed)) squashfs_base_inode_header_1;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++	unsigned int		type:4;
++	unsigned int		offset:4;
++} __attribute__ ((packed)) squashfs_ipc_inode_header_1;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++	unsigned short		rdev;
++} __attribute__ ((packed)) squashfs_dev_inode_header_1;
++	
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++	unsigned short		symlink_size;
++	char			symlink[0];
++} __attribute__ ((packed)) squashfs_symlink_inode_header_1;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++	unsigned int		mtime;
++	squashfs_block		start_block;
++	unsigned int		file_size:SQUASHFS_MAX_FILE_SIZE_LOG;
++	unsigned short		block_list[0];
++} __attribute__ ((packed)) squashfs_reg_inode_header_1;
++
++typedef struct {
++	unsigned int		inode_type:4;
++	unsigned int		mode:12; /* protection */
++	unsigned int		uid:4; /* index into uid table */
++	unsigned int		guid:4; /* index into guid table */
++	unsigned int		file_size:19;
++	unsigned int		offset:13;
++	unsigned int		mtime;
++	unsigned int		start_block:24;
++} __attribute__  ((packed)) squashfs_dir_inode_header_1;
++
++#define SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, n) {\
++	SQUASHFS_MEMSET(s, d, n);\
++	SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
++	SQUASHFS_SWAP((s)->mode, d, 4, 12);\
++	SQUASHFS_SWAP((s)->uid, d, 16, 4);\
++	SQUASHFS_SWAP((s)->guid, d, 20, 4);\
++}
++
++#define SQUASHFS_SWAP_IPC_INODE_HEADER_1(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, sizeof(squashfs_ipc_inode_header_1));\
++	SQUASHFS_SWAP((s)->type, d, 24, 4);\
++	SQUASHFS_SWAP((s)->offset, d, 28, 4);\
++}
++
++#define SQUASHFS_SWAP_DEV_INODE_HEADER_1(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, sizeof(squashfs_dev_inode_header_1));\
++	SQUASHFS_SWAP((s)->rdev, d, 24, 16);\
++}
++
++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_symlink_inode_header_1));\
++	SQUASHFS_SWAP((s)->symlink_size, d, 24, 16);\
++}
++
++#define SQUASHFS_SWAP_REG_INODE_HEADER_1(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_reg_inode_header_1));\
++	SQUASHFS_SWAP((s)->mtime, d, 24, 32);\
++	SQUASHFS_SWAP((s)->start_block, d, 56, 32);\
++	SQUASHFS_SWAP((s)->file_size, d, 88, SQUASHFS_MAX_FILE_SIZE_LOG);\
++}
++
++#define SQUASHFS_SWAP_DIR_INODE_HEADER_1(s, d) {\
++	SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dir_inode_header_1));\
++	SQUASHFS_SWAP((s)->file_size, d, 24, 19);\
++	SQUASHFS_SWAP((s)->offset, d, 43, 13);\
++	SQUASHFS_SWAP((s)->mtime, d, 56, 32);\
++	SQUASHFS_SWAP((s)->start_block, d, 88, 24);\
++}
++#endif
++
++#ifdef __KERNEL__
++/*
++ * macros used to swap each structure entry, taking into account
++ * bitfields and different bitfield placing conventions on differing architectures
++ */
++#include <asm/byteorder.h>
++#ifdef __BIG_ENDIAN
++	/* convert from little endian to big endian */
++#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, tbits, b_pos)
++#else
++	/* convert from big endian to little endian */ 
++#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, tbits, 64 - tbits - b_pos)
++#endif
++
++#define _SQUASHFS_SWAP(value, p, pos, tbits, SHIFT) {\
++	int bits;\
++	int b_pos = pos % 8;\
++	unsigned long long val = 0;\
++	unsigned char *s = (unsigned char *)p + (pos / 8);\
++	unsigned char *d = ((unsigned char *) &val) + 7;\
++	for(bits = 0; bits < (tbits + b_pos); bits += 8) \
++		*d-- = *s++;\
++	value = (val >> (SHIFT))/* & ((1 << tbits) - 1)*/;\
++}
++#define SQUASHFS_MEMSET(s, d, n)	memset(s, 0, n);
++#endif
++#endif
+diff --new-file -ur linux-2.4.28/include/linux/squashfs_fs_i.h linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs_i.h
+--- linux-2.4.28/include/linux/squashfs_fs_i.h	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs_i.h	2004-12-15 10:13:06.000000000 +0000
+@@ -0,0 +1,42 @@
++#ifndef SQUASHFS_FS_I
++#define SQUASHFS_FS_I
++/*
++ * Squashfs
++ *
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
++ *
++ * 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,
++ * or (at your option) any later version.
++ *
++ * 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 the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++ *
++ * squashfs_fs_i.h
++ */
++
++typedef struct squashfs_inode_info {
++	unsigned int	start_block;
++	unsigned int	block_list_start;
++	unsigned int	offset;
++	union {
++		struct {
++			unsigned int	fragment_start_block;
++			unsigned int	fragment_size;
++			unsigned int	fragment_offset;
++		} s1;
++		struct {
++			unsigned int	directory_index_start;
++			unsigned int	directory_index_offset;
++			unsigned int	directory_index_count;
++		} s2;
++	} u;
++	} squashfs_inode_info;
++#endif
+diff --new-file -ur linux-2.4.28/include/linux/squashfs_fs_sb.h linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs_sb.h
+--- linux-2.4.28/include/linux/squashfs_fs_sb.h	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.4.28-squashfs2.1-r2/include/linux/squashfs_fs_sb.h	2004-12-02 02:52:36.000000000 +0000
+@@ -0,0 +1,65 @@
++#ifndef SQUASHFS_FS_SB
++#define SQUASHFS_FS_SB
++/*
++ * Squashfs
++ *
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
++ *
++ * 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,
++ * or (at your option) any later version.
++ *
++ * 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 the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++ *
++ * squashfs_fs_sb.h
++ */
++
++#include <linux/squashfs_fs.h>
++
++typedef struct {
++	unsigned int	block;
++	int		length;
++	unsigned int	next_index;
++	char		*data;
++	} squashfs_cache;
++
++struct squashfs_fragment_cache {
++	unsigned int	block;
++	int		length;
++	unsigned int	locked;
++	char		*data;
++	};
++
++typedef struct squashfs_sb_info {
++	squashfs_super_block	sBlk;
++	int			devblksize;
++	int			devblksize_log2;
++	int			swap;
++	squashfs_cache		*block_cache;
++	struct squashfs_fragment_cache	*fragment;
++	int			next_cache;
++	int			next_fragment;
++	squashfs_uid		*uid;
++	squashfs_uid		*guid;
++	squashfs_fragment_index		*fragment_index;
++	unsigned int		read_size;
++	char			*read_data;
++	char			*read_page;
++	struct semaphore	read_page_mutex;
++	struct semaphore	block_cache_mutex;
++	struct semaphore	fragment_mutex;
++	wait_queue_head_t	waitq;
++	wait_queue_head_t	fragment_wait_queue;
++	struct inode		*(*iget)(struct super_block *s, squashfs_inode inode);
++	unsigned int		(*read_blocklist)(struct inode *inode, int index, int readahead_blks,
++					char *block_list, unsigned short **block_p, unsigned int *bsize);
++	} squashfs_sb_info;
++#endif
+diff --new-file -ur linux-2.4.28/init/do_mounts.c linux-2.4.28-squashfs2.1-r2/init/do_mounts.c
+--- linux-2.4.28/init/do_mounts.c	2003-11-28 18:26:21.000000000 +0000
++++ linux-2.4.28-squashfs2.1-r2/init/do_mounts.c	2004-12-02 02:14:06.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/minix_fs.h>
+ #include <linux/ext2_fs.h>
+ #include <linux/romfs_fs.h>
++#include <linux/squashfs_fs.h>
+ #include <linux/cramfs_fs.h>
+ 
+ #define BUILD_CRAMDISK
+@@ -476,6 +477,7 @@
+  * 	minix
+  * 	ext2
+  *	romfs
++ * 	squashfs
+  *	cramfs
+  * 	gzip
+  */
+@@ -486,6 +488,7 @@
+ 	struct minix_super_block *minixsb;
+ 	struct ext2_super_block *ext2sb;
+ 	struct romfs_super_block *romfsb;
++ 	struct squashfs_super_block *squashfsb;
+ 	struct cramfs_super *cramfsb;
+ 	int nblocks = -1;
+ 	unsigned char *buf;
+@@ -497,6 +500,7 @@
+ 	minixsb = (struct minix_super_block *) buf;
+ 	ext2sb = (struct ext2_super_block *) buf;
+ 	romfsb = (struct romfs_super_block *) buf;
++ 	squashfsb = (struct squashfs_super_block *) buf;
+ 	cramfsb = (struct cramfs_super *) buf;
+ 	memset(buf, 0xe5, size);
+ 
+@@ -535,6 +539,15 @@
+ 		goto done;
+ 	}
+ 
++	/* squashfs is at block zero too */
++	if (squashfsb->s_magic == SQUASHFS_MAGIC) {
++		printk(KERN_NOTICE
++		       "RAMDISK: squashfs filesystem found at block %d\n",
++		       start_block);
++		nblocks = (squashfsb->bytes_used+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS;
++		goto done;
++	}
++
+ 	/*
+ 	 * Read block 1 to test for minix and ext2 superblock
+ 	 */
+diff --new-file -ur linux-2.4.28/lib/Config.in linux-2.4.28-squashfs2.1-r2/lib/Config.in
+--- linux-2.4.28/lib/Config.in	2003-11-28 18:26:21.000000000 +0000
++++ linux-2.4.28-squashfs2.1-r2/lib/Config.in	2004-12-02 02:14:06.000000000 +0000
+@@ -10,6 +10,7 @@
+ # Do we need the compression support?
+ #
+ if [ "$CONFIG_CRAMFS" = "y" -o \
++     "$CONFIG_SQUASHFS" = "y" -o \
+      "$CONFIG_PPP_DEFLATE" = "y" -o \
+      "$CONFIG_CRYPTO_DEFLATE" = "y" -o \
+      "$CONFIG_JFFS2_FS" = "y" -o \
+@@ -17,6 +18,7 @@
+    define_tristate CONFIG_ZLIB_INFLATE y
+ else
+   if [ "$CONFIG_CRAMFS" = "m" -o \
++       "$CONFIG_SQUASHFS" = "m" -o \
+        "$CONFIG_PPP_DEFLATE" = "m" -o \
+        "$CONFIG_CRYPTO_DEFLATE" = "m" -o \
+        "$CONFIG_JFFS2_FS" = "m" -o \