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>
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print-tree.c
11
print-tree.c
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@ -1233,9 +1233,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
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case BTRFS_CSUM_ITEM_KEY:
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printf("\t\tcsum item\n");
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break;
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case BTRFS_EXTENT_CSUM_KEY:
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printf("\t\textent csum item\n");
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case BTRFS_EXTENT_CSUM_KEY: {
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u16 csum_size =
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btrfs_super_csum_size(root->fs_info->super_copy);
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u32 size = (item_size / csum_size) *
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root->fs_info->sectorsize;
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printf("\t\textent csum item range %llu-%llu\n",
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(unsigned long long)disk_key.offset,
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(unsigned long long)disk_key.offset + size);
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break;
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}
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case BTRFS_EXTENT_DATA_KEY:
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print_file_extent_item(eb, item, i, ptr);
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break;
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