[PATCH] ext4: move block number hi bits

move '_hi' bits of block numbers in the larger part of the
block group descriptor structure

Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 3dacb12..3e85886 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -101,13 +101,13 @@
 	desc = ext4_get_group_desc (sb, block_group, NULL);
 	if (!desc)
 		goto error_out;
-	bh = sb_bread(sb, ext4_block_bitmap(desc));
+	bh = sb_bread(sb, ext4_block_bitmap(sb, desc));
 	if (!bh)
 		ext4_error (sb, "read_block_bitmap",
 			    "Cannot read block bitmap - "
 			    "block_group = %d, block_bitmap = %llu",
 			    block_group,
-			    ext4_block_bitmap(desc));
+			    ext4_block_bitmap(sb, desc));
 error_out:
 	return bh;
 }
@@ -463,10 +463,10 @@
 	if (!desc)
 		goto error_return;
 
-	if (in_range(ext4_block_bitmap(desc), block, count) ||
-	    in_range(ext4_inode_bitmap(desc), block, count) ||
-	    in_range(block, ext4_inode_table(desc), sbi->s_itb_per_group) ||
-	    in_range(block + count - 1, ext4_inode_table(desc),
+	if (in_range(ext4_block_bitmap(sb, desc), block, count) ||
+	    in_range(ext4_inode_bitmap(sb, desc), block, count) ||
+	    in_range(block, ext4_inode_table(sb, desc), sbi->s_itb_per_group) ||
+	    in_range(block + count - 1, ext4_inode_table(sb, desc),
 		     sbi->s_itb_per_group))
 		ext4_error (sb, "ext4_free_blocks",
 			    "Freeing blocks in system zones - "
@@ -1563,11 +1563,11 @@
 
 	ret_block = grp_alloc_blk + ext4_group_first_block_no(sb, group_no);
 
-	if (in_range(ext4_block_bitmap(gdp), ret_block, num) ||
-	    in_range(ext4_block_bitmap(gdp), ret_block, num) ||
-	    in_range(ret_block, ext4_inode_table(gdp),
+	if (in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
+	    in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
+	    in_range(ret_block, ext4_inode_table(sb, gdp),
 		     EXT4_SB(sb)->s_itb_per_group) ||
-	    in_range(ret_block + num - 1, ext4_inode_table(gdp),
+	    in_range(ret_block + num - 1, ext4_inode_table(sb, gdp),
 		     EXT4_SB(sb)->s_itb_per_group))
 		ext4_error(sb, "ext4_new_block",
 			    "Allocating block in system zone - "