From 43ec2761dca211dfd18d5b26afdd7c07036539fe Mon Sep 17 00:00:00 2001
From: Su Yue <suy.fnst@cn.fujitsu.com>
Date: Thu, 14 Jun 2018 10:40:39 +0800
Subject: btrfs-progs: print bytenr of tree block in print_tree_block_error

For easier debugging, let print_tree_block_error() print bytenr of tree
block.

Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 disk-io.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/disk-io.c b/disk-io.c
index 1caa7cd0..26e4f6e9 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -94,6 +94,10 @@ static void print_tree_block_error(struct btrfs_fs_info *fs_info,
 	char found_uuid[BTRFS_UUID_UNPARSED_SIZE] = {'\0'};
 	u8 buf[BTRFS_UUID_SIZE];
 
+	if (!err)
+		return;
+
+	fprintf(stderr, "bad tree block %llu, ", eb->start);
 	switch (err) {
 	case BTRFS_BAD_FSID:
 		read_extent_buffer(eb, buf, btrfs_header_fsid(),
-- 
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