Btrfs: Fix mismerge in block header checks

I had incorrectly disabled the check for the block number being correct
in the header block.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 57fbf107e59f..f6f7821d43a5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -346,7 +346,7 @@ int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
         eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);
 
         found_start = btrfs_header_bytenr(eb);
-        if (0 && found_start != start) {
+        if (found_start != start) {
                 printk("bad tree block start %llu %llu\n",
                        (unsigned long long)found_start,
                        (unsigned long long)eb->start);