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btrfs-progs: print the csum length in debug-tree 

While looking at a log of a corrupted fs I needed to verify we were
missing csums for a given range.  Make this easier by printing out the
range of bytes a csum item covers.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Josef Bacik 2017-08-25 11:11:46 -04:00 committed by David Sterba
parent 872837ebbf
commit 5fbc00cc73
1 changed files with 9 additions and 2 deletions
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11
print-tree.c
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@ -1233,9 +1233,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
case BTRFS_CSUM_ITEM_KEY:
printf("\t\tcsum item\n");
break;
case BTRFS_EXTENT_CSUM_KEY:
printf("\t\textent csum item\n");
case BTRFS_EXTENT_CSUM_KEY: {
u16 csum_size =
btrfs_super_csum_size(root->fs_info->super_copy);
u32 size = (item_size / csum_size) *
root->fs_info->sectorsize;
printf("\t\textent csum item range %llu-%llu\n",
(unsigned long long)disk_key.offset,
(unsigned long long)disk_key.offset + size);
break;
}
case BTRFS_EXTENT_DATA_KEY:
print_file_extent_item(eb, item, i, ptr);
break;