[PATCH] befs: microoptimisation, use befs_bread() instead of befs_bread_iaddr()

From: "Sergey S. Kostyliov" <rathamahata@php4.ru>

We already have block number (inode->i_ino), so there is no need to calculate
it from befs_block_run before sb_bread() call (this is what befs_bread_iaddr()
do).

fs/befs/linuxvfs.c

@@ -325,7 +325,7 @@ befs_read_inode(struct inode *inode)
 		   befs_ino->i_inode_num.allocation_group,
 		   befs_ino->i_inode_num.start, befs_ino->i_inode_num.len);
 
-	bh = befs_bread_iaddr(sb, befs_ino->i_inode_num);
+	bh = befs_bread(sb, inode->i_ino);
 	if (!bh) {
 		befs_error(sb, "unable to read inode block - "
 			   "inode = %lu", inode->i_ino);