From 518fdbabd715600c698a78687aaebe7e957ca5e8 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Tue, 3 Nov 2015 14:48:09 +0800 Subject: btrfs-progs: print-tree: Output stripe dev uuid Add output for dev uuid for print_chunk(). Quite useful to debug temporary btrfs in btrfs-convert. Signed-off-by: Qu Wenruo Signed-off-by: David Sterba --- print-tree.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'print-tree.c') diff --git a/print-tree.c b/print-tree.c index 7ddf400d..4d4c3a2f 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); } } -- cgit v1.2.3