Z_EROFS_ONLINEPAGE_COUNT_BITS 110 fs/erofs/zdata.h #define Z_EROFS_ONLINEPAGE_COUNT_MASK ((1 << Z_EROFS_ONLINEPAGE_COUNT_BITS) - 1) Z_EROFS_ONLINEPAGE_COUNT_BITS 111 fs/erofs/zdata.h #define Z_EROFS_ONLINEPAGE_INDEX_SHIFT (Z_EROFS_ONLINEPAGE_COUNT_BITS)