openwrt/target/linux/generic-2.6/patches-2.6.27/512-yaffs_2.6.25_fix.patch

--- a/fs/yaffs2/yaffs_fs.c
+++ b/fs/yaffs2/yaffs_fs.c
@@ -181,7 +181,13 @@ static int yaffs_statfs(struct super_blo
 #else
 static int yaffs_statfs(struct super_block *sb, struct statfs *buf);
 #endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino);
+#else
 static void yaffs_read_inode(struct inode *inode);
+#endif
+
 
 static void yaffs_put_inode(struct inode *inode);
 static void yaffs_delete_inode(struct inode *);
@@ -284,7 +290,9 @@ static struct file_operations yaffs_dir_
 
 static struct super_operations yaffs_super_ops = {
 	.statfs = yaffs_statfs,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25))
 	.read_inode = yaffs_read_inode,
+#endif
 	.put_inode = yaffs_put_inode,
 	.put_super = yaffs_put_super,
 	.delete_inode = yaffs_delete_inode,
@@ -844,11 +852,17 @@ struct inode *yaffs_get_inode(struct sup
 	T(YAFFS_TRACE_OS,
 	  (KERN_DEBUG "yaffs_get_inode for object %d\n", obj->objectId));
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
+	inode = yaffs_iget(sb, obj->objectId);
+	if (IS_ERR(inode))
+		return NULL;
+#else
 	inode = iget(sb, obj->objectId);
 
 	/* NB Side effect: iget calls back to yaffs_read_inode(). */
 	/* iget also increments the inode's i_count */
 	/* NB You can't be holding grossLock or deadlock will happen! */
+#endif
 
 	return inode;
 }
@@ -1427,6 +1441,39 @@ static int yaffs_sync_fs(struct super_bl
 }
 
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
+static struct inode *yaffs_iget(struct super_block *sb, unsigned long ino)
+{
+	yaffs_Object *obj;
+	yaffs_Device *dev = yaffs_SuperToDevice(sb);
+	struct inode *inode;
+
+	T(YAFFS_TRACE_OS,
+	  (KERN_DEBUG "yaffs_iget for %lu\n", ino));
+
+	inode = iget_locked(sb, ino);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+	if (!(inode->i_state & I_NEW))
+		return inode;
+
+	/* NB This is called as a side effect of other functions, but
+	 * we had to release the lock to prevent deadlocks, so
+	 * need to lock again.
+	 */
+
+	yaffs_GrossLock(dev);
+
+	obj = yaffs_FindObjectByNumber(dev, inode->i_ino);
+
+	yaffs_FillInodeFromObject(inode, obj);
+
+	yaffs_GrossUnlock(dev);
+
+	unlock_new_inode(inode);
+	return inode;
+}
+#else
 static void yaffs_read_inode(struct inode *inode)
 {
 	/* NB This is called as a side effect of other functions, but
@@ -1448,6 +1495,7 @@ static void yaffs_read_inode(struct inod
 
 	yaffs_GrossUnlock(dev);
 }
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)) */
 
 static LIST_HEAD(yaffs_dev_list);