trace_f2fs_writepage  297 fs/f2fs/checkpoint.c 	trace_f2fs_writepage(page, META);
trace_f2fs_writepage 2109 fs/f2fs/data.c 	trace_f2fs_writepage(page, DATA);
trace_f2fs_writepage 1519 fs/f2fs/node.c 	trace_f2fs_writepage(page, NODE);