f2fs_bdev_support_discard 3639 fs/f2fs/f2fs.h 		return f2fs_bdev_support_discard(sbi->sb->s_bdev);
f2fs_bdev_support_discard 3642 fs/f2fs/f2fs.h 		if (f2fs_bdev_support_discard(FDEV(i).bdev))
f2fs_bdev_support_discard 1388 fs/f2fs/segment.c 	if (!f2fs_bdev_support_discard(bdev))