EXT4_DESC_PER_BLOCK 201 fs/ext4/ext4.h # define EXT4_DESC_PER_BLOCK(s) (EXT4_SB(s)->s_desc_per_block) EXT4_DESC_PER_BLOCK 206 fs/ext4/ext4.h # define EXT4_DESC_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / EXT4_DESC_SIZE(s))