Symbol: EXT4_FLAGS_BDEV_IS_DAX
fs/ext4/inode.c
4963
if (!test_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags))
fs/ext4/super.c
4778
set_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags);
fs/ext4/super.c
4789
if (!test_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags)) {