openwrt-xburst/target/linux/generic/patches-2.6.31/210-mini_fo_2.6.25_fixes.patch

--- a/fs/mini_fo/main.c
+++ b/fs/mini_fo/main.c
@@ -79,6 +79,7 @@ mini_fo_tri_interpose(dentry_t *hidden_d
 	 * of the new inode's fields
 	 */
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
 	/*
 	 * original: inode = iget(sb, hidden_inode->i_ino);
 	 */
@@ -87,6 +88,13 @@ mini_fo_tri_interpose(dentry_t *hidden_d
 		err = -EACCES;		/* should be impossible??? */
 		goto out;
 	}
+#else
+	inode = mini_fo_iget(sb, iunique(sb, 25));
+	if (IS_ERR(inode)) {
+		err = PTR_ERR(inode);
+		goto out;
+	}
+#endif
 
 	/*
 	 * interpose the inode if not already interposed
@@ -184,9 +192,9 @@ mini_fo_parse_options(super_block_t *sb,
 				hidden_root = ERR_PTR(err);
 				goto out;
 			}
-			hidden_root = nd.dentry;
-			stopd(sb)->base_dir_dentry = nd.dentry;
-			stopd(sb)->hidden_mnt = nd.mnt;
+			hidden_root = nd_get_dentry(&nd);
+			stopd(sb)->base_dir_dentry = nd_get_dentry(&nd);
+			stopd(sb)->hidden_mnt = nd_get_mnt(&nd);
 
 		} else if(!strncmp("sto=", options, 4)) {
 			/* parse the storage dir */
@@ -204,9 +212,9 @@ mini_fo_parse_options(super_block_t *sb,
 				hidden_root2 = ERR_PTR(err);
 				goto out;
 			}
-			hidden_root2 = nd2.dentry;
-			stopd(sb)->storage_dir_dentry = nd2.dentry;
-			stopd(sb)->hidden_mnt2 = nd2.mnt;
+			hidden_root2 = nd_get_dentry(&nd2);
+			stopd(sb)->storage_dir_dentry = nd_get_dentry(&nd2);
+			stopd(sb)->hidden_mnt2 = nd_get_mnt(&nd2);
 			stohs2(sb) = hidden_root2->d_sb;
 
 			/* validate storage dir, this is done in
--- a/fs/mini_fo/mini_fo.h
+++ b/fs/mini_fo/mini_fo.h
@@ -302,6 +302,10 @@ extern int mini_fo_tri_interpose(dentry_
 extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
 			   dentry_t *src_dentry, struct vfsmount *src_mnt);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+extern struct inode *mini_fo_iget(struct super_block *sb, unsigned long ino);
+#endif
+
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd);
 
@@ -501,6 +505,29 @@ static inline void double_unlock(struct
 #endif  /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
 #endif /* __KERNEL__ */
 
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
+{
+	return (nd->path.dentry);
+}
+
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
+{
+	return (nd->path.mnt);
+}
+#else
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
+{
+	return (nd->dentry);
+}
+
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
+{
+	return (nd->mnt);
+}
+#endif
+
 /*
  * Definitions for user and kernel code
  */
--- a/fs/mini_fo/super.c
+++ b/fs/mini_fo/super.c
@@ -262,10 +262,31 @@ mini_fo_umount_begin(super_block_t *sb)
 }
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+struct inode *
+mini_fo_iget(struct super_block *sb, unsigned long ino)
+{
+	struct inode *inode;
+
+	inode = iget_locked(sb, ino);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	if (!(inode->i_state & I_NEW))
+		return inode;
+
+	mini_fo_read_inode(inode);
+
+	unlock_new_inode(inode);
+	return inode;
+}
+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) */
 
 struct super_operations mini_fo_sops =
 {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
 	read_inode:		mini_fo_read_inode,
+#endif
 #if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
 	write_inode:	mini_fo_write_inode,
 #endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
--- a/fs/mini_fo/aux.c
+++ b/fs/mini_fo/aux.c
@@ -164,11 +164,11 @@ dentry_t *bpath_walk(super_block_t *sb,
 	err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
 
 	/* validate */
-	if (err || !nd.dentry || !nd.dentry->d_inode) {
+	if (err || !nd_get_dentry(&nd) || !nd_get_dentry(&nd)->d_inode) {
 		printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
 		return NULL;
 	}
-	return nd.dentry;
+	return nd_get_dentry(&nd);
 }