Add output for dev uuid for print_chunk().
Quite useful to debug temporary btrfs in btrfs-convert.
Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
---
print-tree.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/print-tree.c b/print-tree.c
index 7ddf400..4d4c3a2 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -231,9 +231,17 @@ void print_chunk(struct extent_buffer *eb, struct
btrfs_chunk *chunk)
printf("\t\ttype %s num_stripes %d\n",
chunk_flags_str, num_stripes);
for (i = 0 ; i < num_stripes ; i++) {
+ unsigned char dev_uuid[BTRFS_UUID_SIZE];
+ char str_dev_uuid[BTRFS_UUID_UNPARSED_SIZE];
+
+ read_extent_buffer(eb, dev_uuid,
+ (unsigned long)btrfs_stripe_dev_uuid_nr(chunk, i),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(dev_uuid, str_dev_uuid);
printf("\t\t\tstripe %d devid %llu offset %llu\n", i,
(unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i),
(unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i));
+ printf("\t\t\tdev uuid: %s\n", str_dev_uuid);
}
}
--
2.6.2
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