On 30.05.2018 10:25, Misono Tomohiro wrote:
> Print tree name instead of number to make output more readable.
>
> Example:
> [before]
> extent data backref root 5 objectid 257 offset 16384 count 1
>
> tree block backref root 18446744073709551607
>
> [after]
> extent data backref root FS_TREE objectid 257 offset 16384 count 1
>
> tree block backref root DATA_RELOC_TREE
>
> Signed-off-by: Misono Tomohiro <misono.tomohiro@xxxxxxxxxxxxxx>
LGTM:
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
> ---
> v1 -> v2
> - Update extent data backref too
> - Add output example
>
> print-tree.c | 19 +++++++++++--------
> 1 file changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/print-tree.c b/print-tree.c
> index 90173c2b..c5be5e6c 100644
> --- a/print-tree.c
> +++ b/print-tree.c
> @@ -470,8 +470,9 @@ void print_extent_item(struct extent_buffer *eb, int slot, int metadata)
> offset = btrfs_extent_inline_ref_offset(eb, iref);
> switch (type) {
> case BTRFS_TREE_BLOCK_REF_KEY:
> - printf("\t\ttree block backref root %llu\n",
> - (unsigned long long)offset);
> + printf("\t\ttree block backref root ");
> + print_objectid(stdout, offset, 0);
> + printf("\n");
> break;
> case BTRFS_SHARED_BLOCK_REF_KEY:
> printf("\t\tshared block backref parent %llu\n",
> @@ -479,9 +480,10 @@ void print_extent_item(struct extent_buffer *eb, int slot, int metadata)
> break;
> case BTRFS_EXTENT_DATA_REF_KEY:
> dref = (struct btrfs_extent_data_ref *)(&iref->offset);
> - printf("\t\textent data backref root %llu "
> - "objectid %llu offset %lld count %u\n",
> - (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
> + printf("\t\textent data backref root ");
> + print_objectid(stdout,
> + (unsigned long long)btrfs_extent_data_ref_root(eb, dref), 0);
> + printf(" objectid %llu offset %lld count %u\n",
> (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
> btrfs_extent_data_ref_offset(eb, dref),
> btrfs_extent_data_ref_count(eb, dref));
> @@ -1018,9 +1020,10 @@ static void print_extent_data_ref(struct extent_buffer *eb, int slot)
> struct btrfs_extent_data_ref *dref;
>
> dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
> - printf("\t\textent data backref root %llu "
> - "objectid %llu offset %llu count %u\n",
> - (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
> + printf("\t\textent data backref root ");
> + print_objectid(stdout,
> + (unsigned long long)btrfs_extent_data_ref_root(eb, dref), 0);
> + printf(" objectid %llu offset %llu count %u\n",
> (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
> (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
> btrfs_extent_data_ref_count(eb, dref));
>
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