f2fs_hw_support_discard 3649 fs/f2fs/f2fs.h return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || f2fs_hw_support_discard 2132 fs/f2fs/file.c if (!f2fs_hw_support_discard(F2FS_SB(sb))) f2fs_hw_support_discard 1857 fs/f2fs/segment.c if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi)) f2fs_hw_support_discard 1088 fs/f2fs/super.c if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) &&