f2fs_realtime_discard_enable 1861 fs/f2fs/segment.c if (!f2fs_realtime_discard_enable(sbi) || !se->valid_blocks || f2fs_realtime_discard_enable 1967 fs/f2fs/segment.c if (!f2fs_realtime_discard_enable(sbi)) f2fs_realtime_discard_enable 2867 fs/f2fs/segment.c if (f2fs_realtime_discard_enable(sbi))