From bb7055ec21bc89814d92683cc40a9f66812aeb84 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 4 Mar 2008 11:23:32 -0500
Subject: [PATCH] Add some extra debugging around file data checksum failures

---
 file-item.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/file-item.c b/file-item.c
index 2639901..8b85f7a 100644
--- a/file-item.c
+++ b/file-item.c
@@ -385,6 +385,11 @@ csum:
 found:
 	csum_result = btrfs_csum_data(root, data, csum_result, len);
 	btrfs_csum_final(csum_result, (char *)&csum_result);
+	if (csum_result == 0) {
+		printk("csum result is 0 for inode %Lu offset %Lu\n",
+		       objectid, offset);
+	}
+
 	write_extent_buffer(leaf, &csum_result, (unsigned long)item,
 			    BTRFS_CRC32_SIZE);
 	btrfs_mark_buffer_dirty(path->nodes[0]);
-- 
2.11.4.GIT