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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 <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Qu Wenruo 2015-11-03 14:48:09 +08:00 committed by David Sterba
parent b160d29345
commit 518fdbabd7
1 changed files with 8 additions and 0 deletions
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8
print-tree.c
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@ -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);
}
}