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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/squashfs/stuff/squashfs-patch-2.6.25	Fri May 08 00:11:57 2009 +0200
     1.3 @@ -0,0 +1,161 @@
     1.4 +diff -x .gitignore -Nurp linux-2.6.25-rc7.orig/fs/squashfs/inode.c linux-2.6.25-rc7.new/fs/squashfs/inode.c
     1.5 +--- linux-2.6.25-rc7.orig/fs/squashfs/inode.c	2008-04-05 00:19:09.000000000 +0100
     1.6 ++++ linux-2.6.25-rc7.new/fs/squashfs/inode.c	2008-04-05 00:22:44.000000000 +0100
     1.7 +@@ -1,7 +1,7 @@
     1.8 + /*
     1.9 +  * Squashfs - a compressed read only filesystem for Linux
    1.10 +  *
    1.11 +- * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007
    1.12 ++ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
    1.13 +  * Phillip Lougher <phillip@lougher.demon.co.uk>
    1.14 +  *
    1.15 +  * This program is free software; you can redistribute it and/or
    1.16 +@@ -37,7 +37,10 @@
    1.17 + 
    1.18 + int squashfs_cached_blks;
    1.19 + 
    1.20 +-static void vfs_read_inode(struct inode *i);
    1.21 ++static struct dentry *squashfs_fh_to_dentry(struct super_block *s,
    1.22 ++		struct fid *fid, int fh_len, int fh_type);
    1.23 ++static struct dentry *squashfs_fh_to_parent(struct super_block *s,
    1.24 ++		struct fid *fid, int fh_len, int fh_type);
    1.25 + static struct dentry *squashfs_get_parent(struct dentry *child);
    1.26 + static int squashfs_read_inode(struct inode *i, squashfs_inode_t inode);
    1.27 + static int squashfs_statfs(struct dentry *, struct kstatfs *);
    1.28 +@@ -78,15 +81,9 @@ static struct super_operations squashfs_
    1.29 + 	.remount_fs = squashfs_remount
    1.30 + };
    1.31 + 
    1.32 +-static struct super_operations squashfs_export_super_ops = {
    1.33 +-	.alloc_inode = squashfs_alloc_inode,
    1.34 +-	.destroy_inode = squashfs_destroy_inode,
    1.35 +-	.statfs = squashfs_statfs,
    1.36 +-	.put_super = squashfs_put_super,
    1.37 +-	.read_inode = vfs_read_inode
    1.38 +-};
    1.39 +-
    1.40 + static struct export_operations squashfs_export_ops = {
    1.41 ++	.fh_to_dentry = squashfs_fh_to_dentry,
    1.42 ++	.fh_to_parent = squashfs_fh_to_parent,
    1.43 + 	.get_parent = squashfs_get_parent
    1.44 + };
    1.45 + 
    1.46 +@@ -630,42 +627,72 @@ static squashfs_inode_t squashfs_inode_l
    1.47 + out:
    1.48 + 	return SQUASHFS_INVALID_BLK;
    1.49 + }
    1.50 +-	
    1.51 + 
    1.52 +-static void vfs_read_inode(struct inode *i)
    1.53 ++
    1.54 ++
    1.55 ++static struct dentry *squashfs_export_iget(struct super_block *s,
    1.56 ++	unsigned int inode_number)
    1.57 + {
    1.58 +-	struct squashfs_sb_info *msblk = i->i_sb->s_fs_info;
    1.59 +-	squashfs_inode_t inode = squashfs_inode_lookup(i->i_sb, i->i_ino);
    1.60 ++	squashfs_inode_t inode;
    1.61 ++	struct inode *i;
    1.62 ++	struct dentry *dentry;
    1.63 + 
    1.64 +-	TRACE("Entered vfs_read_inode\n");
    1.65 ++	TRACE("Entered squashfs_export_iget\n");
    1.66 + 
    1.67 +-	if(inode != SQUASHFS_INVALID_BLK)
    1.68 +-		(msblk->read_inode)(i, inode);
    1.69 ++	inode = squashfs_inode_lookup(s, inode_number);
    1.70 ++	if(inode == SQUASHFS_INVALID_BLK) {
    1.71 ++		dentry = ERR_PTR(-ENOENT);
    1.72 ++		goto failure;
    1.73 ++	}
    1.74 ++
    1.75 ++	i = squashfs_iget(s, inode, inode_number);
    1.76 ++	if(i == NULL) {
    1.77 ++		dentry = ERR_PTR(-EACCES);
    1.78 ++		goto failure;
    1.79 ++	}
    1.80 ++
    1.81 ++	dentry = d_alloc_anon(i);
    1.82 ++	if (dentry == NULL) {
    1.83 ++		iput(i);
    1.84 ++		dentry = ERR_PTR(-ENOMEM);
    1.85 ++	}
    1.86 ++
    1.87 ++failure:
    1.88 ++	return dentry;
    1.89 ++}
    1.90 ++
    1.91 ++
    1.92 ++static struct dentry *squashfs_fh_to_dentry(struct super_block *s,
    1.93 ++		struct fid *fid, int fh_len, int fh_type)
    1.94 ++{
    1.95 ++	if((fh_type != FILEID_INO32_GEN && fh_type != FILEID_INO32_GEN_PARENT) ||
    1.96 ++			fh_len < 2)
    1.97 ++		return NULL;
    1.98 ++
    1.99 ++	return squashfs_export_iget(s, fid->i32.ino);
   1.100 ++}
   1.101 ++
   1.102 ++
   1.103 ++static struct dentry *squashfs_fh_to_parent(struct super_block *s,
   1.104 ++		struct fid *fid, int fh_len, int fh_type)
   1.105 ++{
   1.106 ++	if(fh_type != FILEID_INO32_GEN_PARENT || fh_len < 4)
   1.107 ++		return NULL;
   1.108 ++
   1.109 ++	return squashfs_export_iget(s, fid->i32.parent_ino);
   1.110 + }
   1.111 + 
   1.112 + 
   1.113 + static struct dentry *squashfs_get_parent(struct dentry *child)
   1.114 + {
   1.115 + 	struct inode *i = child->d_inode;
   1.116 +-	struct inode *parent = iget(i->i_sb, SQUASHFS_I(i)->u.s2.parent_inode);
   1.117 +-	struct dentry *rv;
   1.118 + 
   1.119 + 	TRACE("Entered squashfs_get_parent\n");
   1.120 + 
   1.121 +-	if(parent == NULL) {
   1.122 +-		rv = ERR_PTR(-EACCES);
   1.123 +-		goto out;
   1.124 +-	}
   1.125 +-
   1.126 +-	rv = d_alloc_anon(parent);
   1.127 +-	if(rv == NULL)
   1.128 +-		rv = ERR_PTR(-ENOMEM);
   1.129 +-
   1.130 +-out:
   1.131 +-	return rv;
   1.132 ++	return squashfs_export_iget(i->i_sb, SQUASHFS_I(i)->u.s2.parent_inode);
   1.133 + }
   1.134 + 
   1.135 +-	
   1.136 ++
   1.137 + SQSH_EXTERN struct inode *squashfs_iget(struct super_block *s,
   1.138 + 				squashfs_inode_t inode, unsigned int inode_number)
   1.139 + {
   1.140 +@@ -1257,7 +1284,6 @@ static int squashfs_fill_super(struct su
   1.141 + 	if (read_inode_lookup_table(s) == 0)
   1.142 + 		goto failed_mount;
   1.143 + 
   1.144 +-	s->s_op = &squashfs_export_super_ops;
   1.145 + 	s->s_export_op = &squashfs_export_ops;
   1.146 + 
   1.147 + allocate_root:
   1.148 +@@ -2124,7 +2150,7 @@ static int __init init_squashfs_fs(void)
   1.149 + 	if (err)
   1.150 + 		goto out;
   1.151 + 
   1.152 +-	printk(KERN_INFO "squashfs: version 3.3 (2007/10/31) "
   1.153 ++	printk(KERN_INFO "squashfs: version 3.3-CVS (2008/04/04) "
   1.154 + 		"Phillip Lougher\n");
   1.155 + 
   1.156 + 	err = register_filesystem(&squashfs_fs_type);
   1.157 +@@ -2187,6 +2213,6 @@ static void destroy_inodecache(void)
   1.158 + 
   1.159 + module_init(init_squashfs_fs);
   1.160 + module_exit(exit_squashfs_fs);
   1.161 +-MODULE_DESCRIPTION("squashfs 3.2-r2-CVS, a compressed read-only filesystem");
   1.162 ++MODULE_DESCRIPTION("squashfs 3.3, a compressed read-only filesystem");
   1.163 + MODULE_AUTHOR("Phillip Lougher <phillip@lougher.demon.co.uk>");
   1.164 + MODULE_LICENSE("GPL");