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);