Symbol: f2fs_bdev_support_discard
fs/f2fs/f2fs.h
4863
return f2fs_bdev_support_discard(sbi->sb->s_bdev);
fs/f2fs/f2fs.h
4866
if (f2fs_bdev_support_discard(FDEV(i).bdev))
fs/f2fs/segment.c
1569
if (!f2fs_bdev_support_discard(bdev))