Merge to Fedora kernel-2.6.17-1.2187_FC5 patched with stable patch-2.6.17.13-vs2...

[linux-2.6.git] / include / linux / ext3_fs.h

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 0149995..a4c919c 100644 (file)
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -507,6 +507,15 @@ static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
 {
        return container_of(inode, struct ext3_inode_info, vfs_inode);
 }
+
+static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
+{
+       return ino == EXT3_ROOT_INO ||
+               ino == EXT3_JOURNAL_INO ||
+               ino == EXT3_RESIZE_INO ||
+               (ino >= EXT3_FIRST_INO(sb) &&
+                ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
+}
 #else
 /* Assume that user mode programs are passing in an ext3fs superblock, not
  * a kernel struct super_block.  This will allow us to call the feature-test