--- linux-2.5.6/fs/reiserfs/inode.c.orig	Mon Mar  4 16:35:10 2002
+++ linux-2.5.6/fs/reiserfs/inode.c	Mon Mar  4 16:35:32 2002
@@ -916,7 +916,7 @@
 	inode->i_blocks = sd_v1_blocks(sd);
 	inode->i_generation = le32_to_cpu (INODE_PKEY (inode)->k_dir_id);
 	blocks = (inode->i_size + 511) >> 9;
-	blocks = _ROUND_UP (blocks, inode->i_blksize >> 9);
+	blocks = _ROUND_UP (blocks, inode->i_sb->s_blocksize >> 9);
 	if (inode->i_blocks > blocks) {
 	    // there was a bug in <=3.5.23 when i_blocks could take negative
 	    // values. Starting from 3.5.17 this value could even be stored in
