Don't bother informing user when gc takes <= 1s

dedupfs.py

@@ -1004,17 +1004,23 @@ def __collect_garbage(self): # {{{3
 
       sub_start_time = time.time()
       self.conn.execute('DELETE FROM inodes WHERE nlinks = 0')
-      self.logger.info("Cleaned up unused inodes in %s.", format_timespan(time.time() - sub_start_time))
+      elapsed_time = time.time() - sub_start_time
+      if elapsed_time > 1:
+        self.logger.info("Cleaned up unused inodes in %s.", format_timespan(elapsed_time))
 
       sub_start_time = time.time()
       self.conn.execute('DELETE FROM "index" WHERE inode NOT IN (SELECT inode FROM inodes)')
-      self.logger.info("Cleaned up unused index entries in %s.", format_timespan(time.time() - sub_start_time))
+      elapsed_time = time.time() - sub_start_time
+      if elapsed_time > 1:
+        self.logger.info("Cleaned up unused index entries in %s.", format_timespan(elapsed_time))
 
       sub_start_time = time.time()
       for row in self.conn.execute('SELECT hash FROM hashes WHERE id NOT IN (SELECT hash_id FROM "index")'):
         del self.blocks[row[0]]
       self.conn.execute('DELETE FROM hashes WHERE id NOT IN (SELECT hash_id FROM "index")')
-      self.logger.info("Cleaned up unused data blocks in %s.", format_timespan(time.time() - sub_start_time))
+      elapsed_time = time.time() - sub_start_time
+      if elapsed_time > 1:
+        self.logger.info("Cleaned up unused data blocks in %s.", format_timespan(time.time() - sub_start_time))
 
       elapsed_time = time.time() - start_time
       self.logger.info("Finished garbage collection in %s.", format_timespan(elapsed_time))