code: def features():
      '''
      List currently available BTRFS features.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' btrfs.mkfs_features
      '''
      out = __salt__['cmd.run_all']("mkfs.btrfs -O list-all")
      salt.utils.fsutils._verify_run(out)
  
      ret = {}
      for line in [re.sub(r"\s+", " ", line) for line in out['stderr'].split("\n") if " - " in line]:
          option, description = line.split(" - ", 1)
          ret[option] = description
  
      return ref features():
      '''
      List currently available BTRFS features.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' btrfs.mkfs_features
      '''
      out = __salt__['cmd.run_all']("mkfs.btrfs -O list-all")
      salt.utils.fsutils._verify_run(out)
  
      ret = {}
      for line in [re.sub(r"\s+", " ", line) for line in out['stderr'].split("\n") if " - " in line]:
          option, description = line.split(" - ", 1)
          ret[option] = description
  
      return ret
docs: List currently available BTRFS features.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' btrfs.mkfs_features