seeker: fix the test for ILP32 platforms

Not sure what I was thinking, but the argument here should clearly
be uint64_t.

Fixes: https://github.com/Zygo/bees/issues/248
Signed-off-by: Zygo Blaxell <bees@furryterror.org>

src/bees-roots.cc

@@ -500,7 +500,8 @@ BeesRoots::transid_max_nocache()
 
 	// We look for the root of the extent tree and read its transid.
 	// Should run in O(1) time and be fairly reliable.
-	const auto bti = m_root_fetcher.root(BTRFS_EXTENT_TREE_OBJECTID);
+	BtrfsRootFetcher root_fetcher(m_ctx->root_fd());
+	const auto bti = root_fetcher.root(BTRFS_EXTENT_TREE_OBJECTID);
 	BEESTRACE("extracting transid from " << bti);
 	const auto rv = bti.transid();
 
@@ -927,7 +928,6 @@ BeesRoots::state_load()
 
 BeesRoots::BeesRoots(shared_ptr<BeesContext> ctx) :
 	m_ctx(ctx),
-	m_root_fetcher(ctx->root_fd()),
 	m_crawl_state_file(ctx->home_fd(), crawl_state_filename()),
 	m_crawl_thread("crawl_transid"),
 	m_writeback_thread("crawl_writeback")
@@ -1101,7 +1101,8 @@ BeesRoots::is_root_ro(uint64_t root)
 
 	BEESTRACE("checking subvol flags on root " << root);
 
-	const auto item = m_root_fetcher.root(root);
+	BtrfsRootFetcher root_fetcher(m_ctx->root_fd());
+	const auto item = root_fetcher.root(root);
 	// If we can't access the subvol's root item...guess it's ro?
 	if (!item || item.root_flags() & BTRFS_ROOT_SUBVOL_RDONLY) {
 		return true;

src/bees.h

@@ -534,7 +534,6 @@ class BeesScanMode;
 class BeesRoots : public enable_shared_from_this<BeesRoots> {
 	shared_ptr<BeesContext>			m_ctx;
 
-	BtrfsRootFetcher			m_root_fetcher;
 	BeesStringFile				m_crawl_state_file;
 	map<uint64_t, shared_ptr<BeesCrawl>>	m_root_crawl_map;
 	mutex					m_mutex;

test/seeker.cc

@@ -28,7 +28,7 @@ static bool test_fails = false;
 
 static
 void
-seeker_test(const vector<uint64_t> &vec, size_t target)
+seeker_test(const vector<uint64_t> &vec, uint64_t const target)
 {
 	cerr << "Find " << target << " in {";
 	for (auto i : vec) {
@@ -42,7 +42,7 @@ seeker_test(const vector<uint64_t> &vec, size_t target)
 			return seeker_finder(vec, lower, upper);
 		});
 		cerr << found;
-		size_t my_found = 0;
+		uint64_t my_found = 0;
 		for (auto i : vec) {
 			if (i <= target) {
 				my_found = i;