JI_COMMIT_RUNNING
jinode->i_flags | JI_COMMIT_RUNNING);
jinode->i_flags & ~JI_COMMIT_RUNNING);
WRITE_ONCE(jinode->i_flags, jinode->i_flags | JI_COMMIT_RUNNING);
WRITE_ONCE(jinode->i_flags, jinode->i_flags & ~JI_COMMIT_RUNNING);
if (jinode->i_flags & JI_COMMIT_RUNNING) {