log: remove path from thread name

The thread name has an arbitrarily limited size, and we are eventually
removing support for multiple paths in a single bees daemon process.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>

src/bees-hash.cc

@@ -595,7 +595,7 @@ BeesHashTable::BeesHashTable(shared_ptr<BeesContext> ctx, string filename, off_t
 	m_buckets(0),
 	m_cells(0),
 	m_writeback_thread("hash_writeback"),
-	m_prefetch_thread("hash_prefetch " + m_ctx->root_path()),
+	m_prefetch_thread("hash_prefetch"),
 	m_flush_rate_limit(BEES_FLUSH_RATE),
 	m_prefetch_rate_limit(BEES_FLUSH_RATE),
 	m_stats_file(m_ctx->home_fd(), "beesstats.txt")

src/bees-roots.cc

@@ -358,8 +358,8 @@ BeesRoots::state_load()
 BeesRoots::BeesRoots(shared_ptr<BeesContext> ctx) :
 	m_ctx(ctx),
 	m_crawl_state_file(ctx->home_fd(), crawl_state_filename()),
-	m_crawl_thread("crawl " + ctx->root_path()),
-	m_writeback_thread("crawl_writeback " + ctx->root_path())
+	m_crawl_thread("crawl"),
+	m_writeback_thread("crawl_writeback")
 {
 	m_crawl_thread.exec([&]() {
 		catch_all([&]() {