trace_f2fs_write_checkpoint 1576 fs/f2fs/checkpoint.c trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops"); trace_f2fs_write_checkpoint 1582 fs/f2fs/checkpoint.c trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops"); trace_f2fs_write_checkpoint 1633 fs/f2fs/checkpoint.c trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");